{"schema_version":1,"title":"Microsoft Office LTSC for Mac 2021 vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 45 vulnerabilities in Microsoft Office LTSC for Mac 2021: 0 in the last 7 days and 41 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-56195, was published on 14 July 2026.","url":"https://junglewise.ai/threats/technologies/office-ltsc-for-mac-2021","json_url":"https://junglewise.ai/threats/technologies/office-ltsc-for-mac-2021.json","publisher":"Junglewise Threat Intelligence","license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","attribution":"Junglewise Threat Intelligence, https://junglewise.ai/threats/technologies/office-ltsc-for-mac-2021","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":29,"all_time":45,"critical":0,"exploited":0,"last_7_days":0,"last_30_days":0,"last_90_days":41,"last_365_days":45},"latest":[{"cve":"CVE-2026-56195","cvss":5.5,"slug":"cve-2026-56195-microsoft-office-out-of-bounds-read-information-disclosure","title":"Microsoft Office out-of-bounds read information disclosure","severity":"medium","exploited":false,"published_at":"2026-07-14T18:18:29.937+00:00","url":"https://junglewise.ai/threats/cve-2026-56195-microsoft-office-out-of-bounds-read-information-disclosure"},{"cve":"CVE-2026-56156","cvss":7.8,"slug":"cve-2026-56156-microsoft-office-excel-heap-buffer-overflow","title":"Microsoft Office Excel heap buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:22.537+00:00","url":"https://junglewise.ai/threats/cve-2026-56156-microsoft-office-excel-heap-buffer-overflow"},{"cve":"CVE-2026-55949","cvss":7.8,"slug":"cve-2026-55949-microsoft-excel-use-of-uninitialized-resource-code-execution","title":"Microsoft Excel use of uninitialized resource code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:22.32+00:00","url":"https://junglewise.ai/threats/cve-2026-55949-microsoft-excel-use-of-uninitialized-resource-code-execution"},{"cve":"CVE-2026-55898","cvss":6.1,"slug":"cve-2026-55898-microsoft-office-excel-out-of-bounds-read","title":"Microsoft Office Excel out-of-bounds read","severity":"medium","exploited":false,"published_at":"2026-07-14T18:18:21.64+00:00","url":"https://junglewise.ai/threats/cve-2026-55898-microsoft-office-excel-out-of-bounds-read"},{"cve":"CVE-2026-55140","cvss":7.8,"slug":"cve-2026-55140-microsoft-office-heap-buffer-overflow","title":"Microsoft Office heap buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:20.997+00:00","url":"https://junglewise.ai/threats/cve-2026-55140-microsoft-office-heap-buffer-overflow"},{"cve":"CVE-2026-55139","cvss":5.5,"slug":"cve-2026-55139-microsoft-office-out-of-bounds-read","title":"Microsoft Office out-of-bounds read","severity":"medium","exploited":false,"published_at":"2026-07-14T18:18:20.863+00:00","url":"https://junglewise.ai/threats/cve-2026-55139-microsoft-office-out-of-bounds-read"},{"cve":"CVE-2026-55138","cvss":5.5,"slug":"cve-2026-55138-microsoft-excel-untrusted-pointer-dereference-information","title":"Microsoft Excel untrusted pointer dereference information disclosure","severity":"medium","exploited":false,"published_at":"2026-07-14T18:18:20.72+00:00","url":"https://junglewise.ai/threats/cve-2026-55138-microsoft-excel-untrusted-pointer-dereference-information"},{"cve":"CVE-2026-55137","cvss":7.8,"slug":"cve-2026-55137-microsoft-office-excel-heap-buffer-overflow","title":"Microsoft Office Excel heap buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:20.583+00:00","url":"https://junglewise.ai/threats/cve-2026-55137-microsoft-office-excel-heap-buffer-overflow"},{"cve":"CVE-2026-55133","cvss":7.8,"slug":"cve-2026-55133-microsoft-office-onenote-heap-overflow-code-execution","title":"Microsoft Office OneNote heap overflow code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:20.003+00:00","url":"https://junglewise.ai/threats/cve-2026-55133-microsoft-office-onenote-heap-overflow-code-execution"},{"cve":"CVE-2026-55132","cvss":7.8,"slug":"cve-2026-55132-microsoft-office-word-double-free-local-code-execution","title":"Microsoft Office Word double free local code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:19.85+00:00","url":"https://junglewise.ai/threats/cve-2026-55132-microsoft-office-word-double-free-local-code-execution"},{"cve":"CVE-2026-55123","cvss":7.8,"slug":"cve-2026-55123-microsoft-powerpoint-heap-overflow-in-numeric-type-conversion","title":"Microsoft PowerPoint heap overflow in numeric type conversion","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:18.633+00:00","url":"https://junglewise.ai/threats/cve-2026-55123-microsoft-powerpoint-heap-overflow-in-numeric-type-conversion"},{"cve":"CVE-2026-55120","cvss":7.8,"slug":"cve-2026-55120-microsoft-powerpoint-heap-overflow-code-execution","title":"Microsoft PowerPoint heap overflow code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:18.22+00:00","url":"https://junglewise.ai/threats/cve-2026-55120-microsoft-powerpoint-heap-overflow-code-execution"},{"cve":"CVE-2026-55057","cvss":5.5,"slug":"cve-2026-55057-microsoft-office-integer-overflow-information-disclosure","title":"Microsoft Office integer overflow information disclosure","severity":"medium","exploited":false,"published_at":"2026-07-14T18:18:17.953+00:00","url":"https://junglewise.ai/threats/cve-2026-55057-microsoft-office-integer-overflow-information-disclosure"},{"cve":"CVE-2026-55056","cvss":7.8,"slug":"cve-2026-55056-microsoft-office-heap-buffer-overflow","title":"Microsoft Office heap buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:17.827+00:00","url":"https://junglewise.ai/threats/cve-2026-55056-microsoft-office-heap-buffer-overflow"},{"cve":"CVE-2026-55054","cvss":6.5,"slug":"cve-2026-55054-microsoft-excel-out-of-bounds-read-information-disclosure","title":"Microsoft Excel out-of-bounds read information disclosure","severity":"medium","exploited":false,"published_at":"2026-07-14T18:18:17.547+00:00","url":"https://junglewise.ai/threats/cve-2026-55054-microsoft-excel-out-of-bounds-read-information-disclosure"},{"cve":"CVE-2026-55053","cvss":7.8,"slug":"cve-2026-55053-microsoft-excel-heap-buffer-overflow-code-execution","title":"Microsoft Excel heap buffer overflow code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:17.41+00:00","url":"https://junglewise.ai/threats/cve-2026-55053-microsoft-excel-heap-buffer-overflow-code-execution"},{"cve":"CVE-2026-55050","cvss":5.5,"slug":"cve-2026-55050-microsoft-office-word-out-of-bounds-read-information-disclosure","title":"Microsoft Office Word out-of-bounds read information disclosure","severity":"medium","exploited":false,"published_at":"2026-07-14T18:18:17.01+00:00","url":"https://junglewise.ai/threats/cve-2026-55050-microsoft-office-word-out-of-bounds-read-information-disclosure"},{"cve":"CVE-2026-55049","cvss":7.8,"slug":"cve-2026-55049-microsoft-office-heap-buffer-overflow-code-execution","title":"Microsoft Office heap buffer overflow code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:16.86+00:00","url":"https://junglewise.ai/threats/cve-2026-55049-microsoft-office-heap-buffer-overflow-code-execution"},{"cve":"CVE-2026-55048","cvss":7.8,"slug":"cve-2026-55048-microsoft-excel-integer-overflow-local-code-execution","title":"Microsoft Excel integer overflow local code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:16.68+00:00","url":"https://junglewise.ai/threats/cve-2026-55048-microsoft-excel-integer-overflow-local-code-execution"},{"cve":"CVE-2026-55044","cvss":7.8,"slug":"cve-2026-55044-microsoft-office-excel-out-of-bounds-read-code-execution","title":"Microsoft Office Excel out-of-bounds read code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:16.043+00:00","url":"https://junglewise.ai/threats/cve-2026-55044-microsoft-office-excel-out-of-bounds-read-code-execution"},{"cve":"CVE-2026-55043","cvss":7.8,"slug":"cve-2026-55043-microsoft-powerpoint-heap-overflow-remote-code-execution","title":"Microsoft PowerPoint heap overflow remote code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:15.897+00:00","url":"https://junglewise.ai/threats/cve-2026-55043-microsoft-powerpoint-heap-overflow-remote-code-execution"},{"cve":"CVE-2026-55042","cvss":5.5,"slug":"cve-2026-55042-microsoft-office-information-disclosure-via-uninitialized","title":"Microsoft Office information disclosure via uninitialized resource","severity":"medium","exploited":false,"published_at":"2026-07-14T18:18:15.73+00:00","url":"https://junglewise.ai/threats/cve-2026-55042-microsoft-office-information-disclosure-via-uninitialized"},{"cve":"CVE-2026-55041","cvss":7.8,"slug":"cve-2026-55041-microsoft-excel-heap-buffer-overflow-code-execution","title":"Microsoft Excel heap buffer overflow code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:15.57+00:00","url":"https://junglewise.ai/threats/cve-2026-55041-microsoft-excel-heap-buffer-overflow-code-execution"},{"cve":"CVE-2026-55039","cvss":7.8,"slug":"cve-2026-55039-microsoft-office-excel-integer-underflow-code-execution","title":"Microsoft Office Excel integer underflow code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:15.257+00:00","url":"https://junglewise.ai/threats/cve-2026-55039-microsoft-office-excel-integer-underflow-code-execution"},{"cve":"CVE-2026-55037","cvss":7.8,"slug":"cve-2026-55037-microsoft-office-excel-heap-buffer-overflow","title":"Microsoft Office Excel heap buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:14.883+00:00","url":"https://junglewise.ai/threats/cve-2026-55037-microsoft-office-excel-heap-buffer-overflow"}],"weekly":[{"week":"2026-06-29","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-06","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-13","critical":0,"exploited":0,"vulnerabilities":41},{"week":"2026-07-20","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-07-27","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-03","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-10","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-17","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-24","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-08-31","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-07","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-14","critical":0,"exploited":0,"vulnerabilities":0},{"week":"2026-09-21","critical":0,"exploited":0,"vulnerabilities":0}],"related":[{"name":"Microsoft Windows","slug":"windows-","vulnerabilities":963,"url":"https://junglewise.ai/threats/technologies/windows-"},{"name":"Microsoft Windows 10","slug":"windows-10","vulnerabilities":588,"url":"https://junglewise.ai/threats/technologies/windows-10"},{"name":"Microsoft Windows 11","slug":"windows-11","vulnerabilities":493,"url":"https://junglewise.ai/threats/technologies/windows-11"},{"name":"Microsoft Windows Server 2012","slug":"windows-server-2012","vulnerabilities":293,"url":"https://junglewise.ai/threats/technologies/windows-server-2012"},{"name":"Microsoft Windows Server 2016","slug":"windows-server-2016","vulnerabilities":213,"url":"https://junglewise.ai/threats/technologies/windows-server-2016"},{"name":"Microsoft Windows Server 2019","slug":"windows-server-2019","vulnerabilities":211,"url":"https://junglewise.ai/threats/technologies/windows-server-2019"},{"name":"Microsoft Windows 11 24h2","slug":"windows-11-24h2","vulnerabilities":192,"url":"https://junglewise.ai/threats/technologies/windows-11-24h2"},{"name":"Microsoft Windows Server 2022","slug":"windows-server-2022","vulnerabilities":178,"url":"https://junglewise.ai/threats/technologies/windows-server-2022"},{"name":"Microsoft Edge","slug":"edge-chromium-based","vulnerabilities":167,"url":"https://junglewise.ai/threats/technologies/edge-chromium-based"},{"name":"Microsoft Windows 11 25h2","slug":"windows-11-25h2","vulnerabilities":161,"url":"https://junglewise.ai/threats/technologies/windows-11-25h2"},{"name":"Microsoft Windows 11 Version 26H1","slug":"windows-11-version-26h1","vulnerabilities":135,"url":"https://junglewise.ai/threats/technologies/windows-11-version-26h1"},{"name":"Microsoft Windows Server 2025","slug":"windows-server-2025","vulnerabilities":124,"url":"https://junglewise.ai/threats/technologies/windows-server-2025"}],"technology":{"hub":true,"name":"Microsoft Office LTSC for Mac 2021","slug":"office-ltsc-for-mac-2021","vendor":{"name":"Microsoft","slug":"microsoft","url":"https://junglewise.ai/threats/vendors/microsoft"},"aliases":[],"category":"software-suite","homepage":"https://www.microsoft.com/en-us/microsoft-365/enterprise/microsoft-office-ltsc-2021","description":"A version of the Microsoft Office productivity suite designed for macOS and sold via a perpetual license.","url":"https://junglewise.ai/threats/technologies/office-ltsc-for-mac-2021"},"most_severe":[{"cve":"CVE-2026-33115","cvss":8.4,"epss":0.0032,"slug":"cve-2026-33115-microsoft-office-word-use-after-free-code-execution","title":"Microsoft Office Word use after free code execution","severity":"high","exploited":false,"published_at":"2026-04-14T18:17:33.707+00:00","url":"https://junglewise.ai/threats/cve-2026-33115-microsoft-office-word-use-after-free-code-execution"},{"cve":"CVE-2026-33114","cvss":8.4,"epss":0.0032,"slug":"cve-2026-33114-microsoft-office-word-untrusted-pointer-dereference","title":"Microsoft Office Word untrusted pointer dereference","severity":"high","exploited":false,"published_at":"2026-04-14T18:17:33.51+00:00","url":"https://junglewise.ai/threats/cve-2026-33114-microsoft-office-word-untrusted-pointer-dereference"},{"cve":"CVE-2026-33095","cvss":7.8,"epss":0.0037,"slug":"cve-2026-33095-microsoft-office-word-use-after-free-code-execution","title":"Microsoft Office Word use after free code execution","severity":"high","exploited":false,"published_at":"2026-04-14T18:17:31.39+00:00","url":"https://junglewise.ai/threats/cve-2026-33095-microsoft-office-word-use-after-free-code-execution"},{"cve":"CVE-2026-56156","cvss":7.8,"slug":"cve-2026-56156-microsoft-office-excel-heap-buffer-overflow","title":"Microsoft Office Excel heap buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:22.537+00:00","url":"https://junglewise.ai/threats/cve-2026-56156-microsoft-office-excel-heap-buffer-overflow"},{"cve":"CVE-2026-55949","cvss":7.8,"slug":"cve-2026-55949-microsoft-excel-use-of-uninitialized-resource-code-execution","title":"Microsoft Excel use of uninitialized resource code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:22.32+00:00","url":"https://junglewise.ai/threats/cve-2026-55949-microsoft-excel-use-of-uninitialized-resource-code-execution"},{"cve":"CVE-2026-55140","cvss":7.8,"slug":"cve-2026-55140-microsoft-office-heap-buffer-overflow","title":"Microsoft Office heap buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:20.997+00:00","url":"https://junglewise.ai/threats/cve-2026-55140-microsoft-office-heap-buffer-overflow"},{"cve":"CVE-2026-55137","cvss":7.8,"slug":"cve-2026-55137-microsoft-office-excel-heap-buffer-overflow","title":"Microsoft Office Excel heap buffer overflow","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:20.583+00:00","url":"https://junglewise.ai/threats/cve-2026-55137-microsoft-office-excel-heap-buffer-overflow"},{"cve":"CVE-2026-55133","cvss":7.8,"slug":"cve-2026-55133-microsoft-office-onenote-heap-overflow-code-execution","title":"Microsoft Office OneNote heap overflow code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:20.003+00:00","url":"https://junglewise.ai/threats/cve-2026-55133-microsoft-office-onenote-heap-overflow-code-execution"},{"cve":"CVE-2026-55132","cvss":7.8,"slug":"cve-2026-55132-microsoft-office-word-double-free-local-code-execution","title":"Microsoft Office Word double free local code execution","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:19.85+00:00","url":"https://junglewise.ai/threats/cve-2026-55132-microsoft-office-word-double-free-local-code-execution"},{"cve":"CVE-2026-55123","cvss":7.8,"slug":"cve-2026-55123-microsoft-powerpoint-heap-overflow-in-numeric-type-conversion","title":"Microsoft PowerPoint heap overflow in numeric type conversion","severity":"high","exploited":false,"published_at":"2026-07-14T18:18:18.633+00:00","url":"https://junglewise.ai/threats/cve-2026-55123-microsoft-powerpoint-heap-overflow-in-numeric-type-conversion"}],"generated_at":"2026-09-26T09:24:00.138874+00:00"}