{"schema_version":1,"title":"Microsoft Skype for Business vulnerabilities","summary":"Junglewise Threat Intelligence has tracked 11 vulnerabilities in Microsoft Skype for Business: 0 in the last 7 days and 10 in the last 90 days, 2 of them critical and 1 exploited in the wild. The most recent, CVE-2026-69646, was published on 8 September 2026.","url":"https://junglewise.ai/threats/technologies/skype-for-business","json_url":"https://junglewise.ai/threats/technologies/skype-for-business.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/skype-for-business","sources":"NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories","kind":"technology","counts":{"high":4,"all_time":11,"critical":2,"exploited":1,"last_7_days":0,"last_30_days":10,"last_90_days":10,"last_365_days":10},"latest":[{"cve":"CVE-2026-69646","cvss":8.3,"epss":0.0032,"slug":"cve-2026-69646-microsoft-skype-for-business-cryptographic-signature-spoofing","title":"Microsoft Skype for Business cryptographic signature spoofing","severity":"high","exploited":false,"published_at":"2026-09-08T19:19:04.56+00:00","url":"https://junglewise.ai/threats/cve-2026-69646-microsoft-skype-for-business-cryptographic-signature-spoofing"},{"cve":"CVE-2026-69642","cvss":6.5,"epss":0.0041,"slug":"cve-2026-69642-microsoft-skype-for-business-cross-site-scripting-in-web-page","title":"Microsoft Skype for Business cross-site scripting in web page generation","severity":"medium","exploited":false,"published_at":"2026-09-08T19:19:03.51+00:00","url":"https://junglewise.ai/threats/cve-2026-69642-microsoft-skype-for-business-cross-site-scripting-in-web-page"},{"cve":"CVE-2026-66308","cvss":6.5,"epss":0.0114,"slug":"cve-2026-66308-microsoft-skype-for-business-out-of-bounds-read","title":"Microsoft Skype for Business out-of-bounds read","severity":"medium","exploited":false,"published_at":"2026-09-08T19:18:08.45+00:00","url":"https://junglewise.ai/threats/cve-2026-66308-microsoft-skype-for-business-out-of-bounds-read"},{"cve":"CVE-2026-66307","cvss":7.5,"epss":0.0117,"slug":"cve-2026-66307-microsoft-skype-for-business-integer-underflow-denial-of-service","title":"Microsoft Skype for Business integer underflow denial of service","severity":"high","exploited":false,"published_at":"2026-09-08T19:18:08.327+00:00","url":"https://junglewise.ai/threats/cve-2026-66307-microsoft-skype-for-business-integer-underflow-denial-of-service"},{"cve":"CVE-2026-66306","cvss":6.5,"epss":0.0092,"slug":"cve-2026-66306-microsoft-skype-for-business-information-disclosure-in-error","title":"Microsoft Skype for Business information disclosure in error messages","severity":"medium","exploited":false,"published_at":"2026-09-08T19:18:08.2+00:00","url":"https://junglewise.ai/threats/cve-2026-66306-microsoft-skype-for-business-information-disclosure-in-error"},{"cve":"CVE-2026-66305","cvss":7.1,"epss":0.0053,"slug":"cve-2026-66305-microsoft-skype-for-business-authentication-spoofing","title":"Microsoft Skype for Business authentication spoofing","severity":"high","exploited":false,"published_at":"2026-09-08T19:18:08.073+00:00","url":"https://junglewise.ai/threats/cve-2026-66305-microsoft-skype-for-business-authentication-spoofing"},{"cve":"CVE-2026-66304","cvss":7.5,"epss":0.0097,"slug":"cve-2026-66304-microsoft-skype-for-business-server-side-request-forgery","title":"Microsoft Skype for Business server-side request forgery","severity":"high","exploited":false,"published_at":"2026-09-08T19:18:07.95+00:00","url":"https://junglewise.ai/threats/cve-2026-66304-microsoft-skype-for-business-server-side-request-forgery"},{"cve":"CVE-2026-66303","cvss":6.5,"epss":0.0114,"slug":"cve-2026-66303-microsoft-skype-for-business-null-pointer-dereference","title":"Microsoft Skype for Business null pointer dereference","severity":"medium","exploited":false,"published_at":"2026-09-08T19:18:07.82+00:00","url":"https://junglewise.ai/threats/cve-2026-66303-microsoft-skype-for-business-null-pointer-dereference"},{"cve":"CVE-2026-66302","cvss":9.8,"epss":0.0097,"slug":"cve-2026-66302-microsoft-skype-for-business-arbitrary-code-execution-via-path","title":"Microsoft Skype for Business arbitrary code execution via path traversal","severity":"critical","exploited":false,"published_at":"2026-09-08T19:18:07.69+00:00","url":"https://junglewise.ai/threats/cve-2026-66302-microsoft-skype-for-business-arbitrary-code-execution-via-path"},{"cve":"CVE-2026-63523","cvss":6.5,"epss":0.0055,"slug":"cve-2026-63523-microsoft-skype-for-business-xss-in-web-page-generation","title":"Microsoft Skype for Business XSS in web page generation","severity":"medium","exploited":false,"published_at":"2026-09-08T19:18:07.267+00:00","url":"https://junglewise.ai/threats/cve-2026-63523-microsoft-skype-for-business-xss-in-web-page-generation"},{"cve":"CVE-2023-41763","cvss":5.3,"slug":"cve-2023-41763-microsoft-skype-for-business-privilege-escalation-vulnerability","title":"Microsoft Skype for Business Privilege Escalation Vulnerability","severity":"critical","exploited":true,"published_at":"2023-10-10T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2023-41763-microsoft-skype-for-business-privilege-escalation-vulnerability"}],"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":0},{"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":1,"exploited":0,"vulnerabilities":10},{"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 Skype for Business","slug":"skype-for-business","vendor":{"name":"Microsoft","slug":"microsoft","url":"https://junglewise.ai/threats/vendors/microsoft"},"aliases":[],"category":"communications-platform","homepage":"https://www.skype.com/en/business/","description":"A communications platform for enterprise instant messaging, voice, and video calls.","url":"https://junglewise.ai/threats/technologies/skype-for-business"},"most_severe":[{"cve":"CVE-2023-41763","cvss":5.3,"slug":"cve-2023-41763-microsoft-skype-for-business-privilege-escalation-vulnerability","title":"Microsoft Skype for Business Privilege Escalation Vulnerability","severity":"critical","exploited":true,"published_at":"2023-10-10T00:00:00+00:00","url":"https://junglewise.ai/threats/cve-2023-41763-microsoft-skype-for-business-privilege-escalation-vulnerability"},{"cve":"CVE-2026-66302","cvss":9.8,"epss":0.0097,"slug":"cve-2026-66302-microsoft-skype-for-business-arbitrary-code-execution-via-path","title":"Microsoft Skype for Business arbitrary code execution via path traversal","severity":"critical","exploited":false,"published_at":"2026-09-08T19:18:07.69+00:00","url":"https://junglewise.ai/threats/cve-2026-66302-microsoft-skype-for-business-arbitrary-code-execution-via-path"},{"cve":"CVE-2026-69646","cvss":8.3,"epss":0.0032,"slug":"cve-2026-69646-microsoft-skype-for-business-cryptographic-signature-spoofing","title":"Microsoft Skype for Business cryptographic signature spoofing","severity":"high","exploited":false,"published_at":"2026-09-08T19:19:04.56+00:00","url":"https://junglewise.ai/threats/cve-2026-69646-microsoft-skype-for-business-cryptographic-signature-spoofing"},{"cve":"CVE-2026-66307","cvss":7.5,"epss":0.0117,"slug":"cve-2026-66307-microsoft-skype-for-business-integer-underflow-denial-of-service","title":"Microsoft Skype for Business integer underflow denial of service","severity":"high","exploited":false,"published_at":"2026-09-08T19:18:08.327+00:00","url":"https://junglewise.ai/threats/cve-2026-66307-microsoft-skype-for-business-integer-underflow-denial-of-service"},{"cve":"CVE-2026-66304","cvss":7.5,"epss":0.0097,"slug":"cve-2026-66304-microsoft-skype-for-business-server-side-request-forgery","title":"Microsoft Skype for Business server-side request forgery","severity":"high","exploited":false,"published_at":"2026-09-08T19:18:07.95+00:00","url":"https://junglewise.ai/threats/cve-2026-66304-microsoft-skype-for-business-server-side-request-forgery"},{"cve":"CVE-2026-66305","cvss":7.1,"epss":0.0053,"slug":"cve-2026-66305-microsoft-skype-for-business-authentication-spoofing","title":"Microsoft Skype for Business authentication spoofing","severity":"high","exploited":false,"published_at":"2026-09-08T19:18:08.073+00:00","url":"https://junglewise.ai/threats/cve-2026-66305-microsoft-skype-for-business-authentication-spoofing"},{"cve":"CVE-2026-66308","cvss":6.5,"epss":0.0114,"slug":"cve-2026-66308-microsoft-skype-for-business-out-of-bounds-read","title":"Microsoft Skype for Business out-of-bounds read","severity":"medium","exploited":false,"published_at":"2026-09-08T19:18:08.45+00:00","url":"https://junglewise.ai/threats/cve-2026-66308-microsoft-skype-for-business-out-of-bounds-read"},{"cve":"CVE-2026-66303","cvss":6.5,"epss":0.0114,"slug":"cve-2026-66303-microsoft-skype-for-business-null-pointer-dereference","title":"Microsoft Skype for Business null pointer dereference","severity":"medium","exploited":false,"published_at":"2026-09-08T19:18:07.82+00:00","url":"https://junglewise.ai/threats/cve-2026-66303-microsoft-skype-for-business-null-pointer-dereference"},{"cve":"CVE-2026-66306","cvss":6.5,"epss":0.0092,"slug":"cve-2026-66306-microsoft-skype-for-business-information-disclosure-in-error","title":"Microsoft Skype for Business information disclosure in error messages","severity":"medium","exploited":false,"published_at":"2026-09-08T19:18:08.2+00:00","url":"https://junglewise.ai/threats/cve-2026-66306-microsoft-skype-for-business-information-disclosure-in-error"},{"cve":"CVE-2026-63523","cvss":6.5,"epss":0.0055,"slug":"cve-2026-63523-microsoft-skype-for-business-xss-in-web-page-generation","title":"Microsoft Skype for Business XSS in web page generation","severity":"medium","exploited":false,"published_at":"2026-09-08T19:18:07.267+00:00","url":"https://junglewise.ai/threats/cve-2026-63523-microsoft-skype-for-business-xss-in-web-page-generation"}],"generated_at":"2026-09-26T09:24:00.138874+00:00"}