# Microsoft Windows Update vulnerabilities Source: https://junglewise.ai/threats/technologies/microsoft-windows-update Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/microsoft-windows-update.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 5 vulnerabilities in Microsoft Windows Update: 0 in the last 7 days and 5 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-96323, was published on 13 October 2026. 5 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 0 - Last 30 days: 0 - Last 90 days: 5 - All time: 5 (0 critical, 0 exploited in the wild) ## About Microsoft Windows Update Operating system update mechanism from Microsoft that delivers patches and security updates. ## Latest Microsoft Windows Update vulnerabilities - [CVE-2026-96323: Windows Update use after free privilege escalation](https://junglewise.ai/threats/cve-2026-96323-use-after-free-in-windows-update-allows-an-authorized-attacker-to) (high, CVSS 7, published 13 Oct 2026) - [CVE-2026-69999: Windows Update out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-69999-out-of-bounds-read-in-windows-update-allows-an-authorized) (medium, CVSS 5.5, published 13 Oct 2026) - [CVE-2026-69733: Windows Update untrusted search path privilege escalation](https://junglewise.ai/threats/cve-2026-69733-untrusted-search-path-in-windows-update-allows-an-authorized) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-69673: Windows Update privilege escalation via symbolic link following](https://junglewise.ai/threats/cve-2026-69673-improper-link-resolution-before-file-access-link-following-in) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-69633: Windows Update heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-69633-heap-based-buffer-overflow-in-windows-update-allows-an-authorized) (high, CVSS 7.8, published 13 Oct 2026) ## Most severe Microsoft Windows Update vulnerabilities - [CVE-2026-69673: Windows Update privilege escalation via symbolic link following](https://junglewise.ai/threats/cve-2026-69673-improper-link-resolution-before-file-access-link-following-in) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-69733: Windows Update untrusted search path privilege escalation](https://junglewise.ai/threats/cve-2026-69733-untrusted-search-path-in-windows-update-allows-an-authorized) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-69633: Windows Update heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-69633-heap-based-buffer-overflow-in-windows-update-allows-an-authorized) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-96323: Windows Update use after free privilege escalation](https://junglewise.ai/threats/cve-2026-96323-use-after-free-in-windows-update-allows-an-authorized-attacker-to) (high, CVSS 7, published 13 Oct 2026) - [CVE-2026-69999: Windows Update out-of-bounds read information disclosure](https://junglewise.ai/threats/cve-2026-69999-out-of-bounds-read-in-windows-update-allows-an-authorized) (medium, CVSS 5.5, published 13 Oct 2026) ## Vulnerabilities per week 5 vulnerabilities in the last four weeks, up from none in the four before. | 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 | 5 | 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 Windows Update vulnerabilities", https://junglewise.ai/threats/technologies/microsoft-windows-update, 13 November 2026.