# Microsoft 365 Apps for Enterprise vulnerabilities Source: https://junglewise.ai/threats/technologies/365-apps-for-enterprise Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 11 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/365-apps-for-enterprise.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 84 vulnerabilities in Microsoft 365 Apps for Enterprise: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 1 exploited in the wild. The most recent, CVE-2026-56195, was published on 14 July 2026. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 0 - All time: 84 (1 critical, 1 exploited in the wild) ## About Microsoft 365 Apps for Enterprise Microsoft's cloud-based subscription service for Office applications in enterprise environments. ## Latest Microsoft 365 Apps for Enterprise vulnerabilities - [CVE-2026-56195: Microsoft Office out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-56195-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026) - [CVE-2026-56192: Microsoft Office Out-of-bounds Read Information Disclosure](https://junglewise.ai/threats/cve-2026-56192-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026) - [CVE-2026-56156: Microsoft Office Excel heap buffer overflow](https://junglewise.ai/threats/cve-2026-56156-microsoft-office-excel-heap-buffer-overflow) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55949: Microsoft Excel use of uninitialized resource code execution](https://junglewise.ai/threats/cve-2026-55949-microsoft-excel-use-of-uninitialized-resource-code-execution) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55947: Microsoft Office Excel heap buffer overflow](https://junglewise.ai/threats/cve-2026-55947-microsoft-office-excel-heap-buffer-overflow) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55898: Microsoft Office Excel out-of-bounds read](https://junglewise.ai/threats/cve-2026-55898-microsoft-office-excel-out-of-bounds-read) (medium, CVSS 6.1, published 14 Jul 2026) - [CVE-2026-55142: Microsoft Office Word numeric truncation information disclosure](https://junglewise.ai/threats/cve-2026-55142-microsoft-office-word-numeric-truncation-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026) - [CVE-2026-55141: Microsoft Office Excel stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-55141-microsoft-office-excel-stack-based-buffer-overflow) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55140: Microsoft Office heap buffer overflow](https://junglewise.ai/threats/cve-2026-55140-microsoft-office-heap-buffer-overflow) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55139: Microsoft Office out-of-bounds read](https://junglewise.ai/threats/cve-2026-55139-microsoft-office-out-of-bounds-read) (medium, CVSS 5.5, published 14 Jul 2026) - [CVE-2026-55138: Microsoft Excel untrusted pointer dereference information disclosure](https://junglewise.ai/threats/cve-2026-55138-microsoft-excel-untrusted-pointer-dereference-information) (medium, CVSS 5.5, published 14 Jul 2026) - [CVE-2026-55137: Microsoft Office Excel heap buffer overflow](https://junglewise.ai/threats/cve-2026-55137-microsoft-office-excel-heap-buffer-overflow) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55136: Microsoft Excel untrusted pointer dereference remote code execution](https://junglewise.ai/threats/cve-2026-55136-microsoft-excel-untrusted-pointer-dereference-remote-code) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55133: Microsoft Office OneNote heap overflow code execution](https://junglewise.ai/threats/cve-2026-55133-microsoft-office-onenote-heap-overflow-code-execution) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55132: Microsoft Office Word double free local code execution](https://junglewise.ai/threats/cve-2026-55132-microsoft-office-word-double-free-local-code-execution) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55131: Microsoft Excel heap buffer overflow code execution](https://junglewise.ai/threats/cve-2026-55131-microsoft-excel-heap-buffer-overflow-code-execution) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55130: Microsoft Office Word heap buffer overflow](https://junglewise.ai/threats/cve-2026-55130-microsoft-office-word-heap-buffer-overflow) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55129: Microsoft Office heap overflow remote code execution](https://junglewise.ai/threats/cve-2026-55129-microsoft-office-heap-overflow-remote-code-execution) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55125: Microsoft Office heap overflow in code execution](https://junglewise.ai/threats/cve-2026-55125-microsoft-office-heap-overflow-in-code-execution) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55123: Microsoft PowerPoint heap overflow in numeric type conversion](https://junglewise.ai/threats/cve-2026-55123-microsoft-powerpoint-heap-overflow-in-numeric-type-conversion) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55122: Microsoft Excel out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-55122-microsoft-excel-out-of-bounds-read-information-disclosure) (high, CVSS 7.1, published 14 Jul 2026) - [CVE-2026-55121: Microsoft Office out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-55121-microsoft-office-out-of-bounds-read-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026) - [CVE-2026-55120: Microsoft PowerPoint heap overflow code execution](https://junglewise.ai/threats/cve-2026-55120-microsoft-powerpoint-heap-overflow-code-execution) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55058: Microsoft Excel out-of-bounds read code execution](https://junglewise.ai/threats/cve-2026-55058-microsoft-excel-out-of-bounds-read-code-execution) (high, CVSS 7.8, published 14 Jul 2026) - [CVE-2026-55057: Microsoft Office integer overflow information disclosure](https://junglewise.ai/threats/cve-2026-55057-microsoft-office-integer-overflow-information-disclosure) (medium, CVSS 5.5, published 14 Jul 2026) ## Most severe Microsoft 365 Apps for Enterprise vulnerabilities - [CVE-2026-21509: Microsoft Office security feature bypass via untrusted inputs](https://junglewise.ai/threats/cve-2026-21509-microsoft-office-security-feature-bypass-via-untrusted-inputs) (critical, exploited in the wild, CVSS 7.8, published 26 Jan 2026) - [CVE-2025-47162: Microsoft Office heap buffer overflow allows local code execution](https://junglewise.ai/threats/cve-2025-47162-microsoft-office-heap-buffer-overflow-allows-local-code-execution) (high, CVSS 8.4, published 10 Jun 2025) - [CVE-2025-49696: Microsoft Office out-of-bounds read and local code execution](https://junglewise.ai/threats/cve-2025-49696-microsoft-office-out-of-bounds-read-and-local-code-execution) (high, CVSS 8.4, published 8 Jul 2025) - [CVE-2025-49695: Microsoft Office use after free local code execution](https://junglewise.ai/threats/cve-2025-49695-microsoft-office-use-after-free-local-code-execution) (high, CVSS 8.4, published 8 Jul 2025) - [CVE-2025-49697: Microsoft Office heap overflow code execution](https://junglewise.ai/threats/cve-2025-49697-microsoft-office-heap-overflow-code-execution) (high, CVSS 8.4, published 8 Jul 2025) - [CVE-2026-33115: Microsoft Office Word use after free code execution](https://junglewise.ai/threats/cve-2026-33115-microsoft-office-word-use-after-free-code-execution) (high, CVSS 8.4, published 14 Apr 2026) - [CVE-2026-33114: Microsoft Office Word untrusted pointer dereference](https://junglewise.ai/threats/cve-2026-33114-microsoft-office-word-untrusted-pointer-dereference) (high, CVSS 8.4, published 14 Apr 2026) - [CVE-2025-62554: Microsoft Office type confusion local code execution](https://junglewise.ai/threats/cve-2025-62554-microsoft-office-type-confusion-local-code-execution) (high, CVSS 8.4, published 9 Dec 2025) - [CVE-2026-26110: Microsoft Office type confusion local code execution](https://junglewise.ai/threats/cve-2026-26110-microsoft-office-type-confusion-local-code-execution) (high, CVSS 8.4, published 10 Mar 2026) - [CVE-2025-62557: Microsoft Office use after free local code execution](https://junglewise.ai/threats/cve-2025-62557-microsoft-office-use-after-free-local-code-execution) (high, CVSS 8.4, published 9 Dec 2025) ## Vulnerabilities per week Nothing was published in the last eight weeks. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 0 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 0 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other Microsoft technologies - [Microsoft Windows](https://junglewise.ai/threats/technologies/windows): 2,362 vulnerabilities - [Microsoft Windows 10](https://junglewise.ai/threats/technologies/windows-10): 589 vulnerabilities - [Microsoft Windows 11 24h2](https://junglewise.ai/threats/technologies/windows-11-24h2): 565 vulnerabilities - [Microsoft Windows 11 25h2](https://junglewise.ai/threats/technologies/windows-11-25h2): 534 vulnerabilities - [Microsoft Windows Server 2025](https://junglewise.ai/threats/technologies/windows-server-2025): 534 vulnerabilities - [Microsoft Windows Server 2022](https://junglewise.ai/threats/technologies/windows-server-2022): 528 vulnerabilities - [Microsoft Windows Server 2019](https://junglewise.ai/threats/technologies/windows-server-2019): 521 vulnerabilities - [Microsoft Windows Server 2012](https://junglewise.ai/threats/technologies/windows-server-2012): 517 vulnerabilities - [Microsoft Windows 11](https://junglewise.ai/threats/technologies/windows-11): 494 vulnerabilities - [Microsoft Windows Server 2016](https://junglewise.ai/threats/technologies/windows-server-2016): 476 vulnerabilities - [Microsoft Windows 10 1809](https://junglewise.ai/threats/technologies/windows-10-1809): 380 vulnerabilities - [Microsoft Windows 10 21h2](https://junglewise.ai/threats/technologies/windows-10-21h2): 373 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Microsoft 365 Apps for Enterprise vulnerabilities", https://junglewise.ai/threats/technologies/365-apps-for-enterprise, 11 November 2026.