# Microsoft Windows Installer vulnerabilities Source: https://junglewise.ai/threats/technologies/windows-installer Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/windows-installer.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 73 vulnerabilities in Microsoft Windows Installer: 34 in the last 7 days and 72 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-96152, was published on 10 November 2026. 33 vulnerabilities in the last four weeks, up from none in the four before. ## Counts - Last 7 days: 34 - Last 30 days: 34 - Last 90 days: 72 - All time: 73 (0 critical, 0 exploited in the wild) ## About Microsoft Windows Installer Microsoft Windows package management system for installing, updating, and removing software. ## Latest Microsoft Windows Installer vulnerabilities - [CVE-2026-96152: Microsoft Windows Installer stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-96152-stack-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-96085: Windows Installer heap-based buffer overflow allows privilege elevation](https://junglewise.ai/threats/cve-2026-96085-heap-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-96062: Microsoft Windows Installer heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-96062-heap-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-96061: Windows Installer use-after-free privilege elevation](https://junglewise.ai/threats/cve-2026-96061-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-96060: Windows Installer out-of-bounds read privilege escalation](https://junglewise.ai/threats/cve-2026-96060-out-of-bounds-read-in-windows-installer-allows-an-authorized) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-96047: Microsoft Windows Installer use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-96047-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-96046: Windows Installer use-after-free privilege elevation](https://junglewise.ai/threats/cve-2026-96046-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-96036: Windows Installer integer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-96036-integer-overflow-or-wraparound-in-windows-installer-allows-an) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-96035: Windows Installer use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-96035-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-96029: Microsoft Windows Installer privilege escalation](https://junglewise.ai/threats/cve-2026-96029-improper-access-control-in-windows-installer-allows-an-authorized) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-96028: Microsoft Windows Installer type confusion privilege escalation](https://junglewise.ai/threats/cve-2026-96028-access-of-resource-using-incompatible-type-type-confusion-in) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-96027: Windows Installer use after free privilege escalation](https://junglewise.ai/threats/cve-2026-96027-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-96026: Windows Installer use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-96026-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-96019: Windows Installer race condition privilege escalation](https://junglewise.ai/threats/cve-2026-96019-concurrent-execution-using-shared-resource-with-improper) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-96008: Windows Installer use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-96008-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-96004: Microsoft Windows Installer use-after-free privilege elevation](https://junglewise.ai/threats/cve-2026-96004-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-95951: Windows Installer heap-based buffer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-95951-heap-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-119929: Windows Installer use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-119929-use-after-free-in-windows-installer-allows-an-authorized) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-119903: Windows Installer improper access control privilege escalation](https://junglewise.ai/threats/cve-2026-119903-improper-access-control-in-windows-installer-allows-an) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-119892: Microsoft Windows Installer privilege escalation via incorrect authorization](https://junglewise.ai/threats/cve-2026-119892-incorrect-authorization-in-windows-installer-allows-an) (high, CVSS 7.8, published 10 Nov 2026) - [CVE-2026-119887: Windows Installer information disclosure via uninitialized resource](https://junglewise.ai/threats/cve-2026-119887-use-of-uninitialized-resource-in-windows-installer-allows-an) (medium, CVSS 6.5, published 10 Nov 2026) - [CVE-2026-119867: Windows Installer cryptographic signature verification bypass](https://junglewise.ai/threats/cve-2026-119867-improper-verification-of-cryptographic-signature-in-windows) (medium, CVSS 5.3, published 10 Nov 2026) - [CVE-2026-119865: Windows Installer race condition privilege escalation](https://junglewise.ai/threats/cve-2026-119865-concurrent-execution-using-shared-resource-with-improper) (high, CVSS 7, published 10 Nov 2026) - [CVE-2026-119852: Windows Installer missing authorization allows privilege escalation](https://junglewise.ai/threats/cve-2026-119852-missing-authorization-in-windows-installer-allows-an-authorized) (medium, CVSS 6.7, published 10 Nov 2026) - [CVE-2026-119838: Windows Installer out-of-bounds read](https://junglewise.ai/threats/cve-2026-119838-out-of-bounds-read-in-windows-installer-allows-an-authorized) (medium, CVSS 4.7, published 10 Nov 2026) ## Most severe Microsoft Windows Installer vulnerabilities - [CVE-2026-69471: Windows Installer heap-based buffer overflow privilege elevation](https://junglewise.ai/threats/cve-2026-69471-heap-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-65774: Microsoft Windows Installer heap-based buffer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-65774-microsoft-windows-installer-heap-based-buffer-overflow-privilege) (high, CVSS 7.8, published 11 Aug 2026) - [CVE-2026-87694: Microsoft Windows Installer use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-87694-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-85796: Windows Installer numeric truncation privilege escalation](https://junglewise.ai/threats/cve-2026-85796-numeric-truncation-error-in-windows-installer-allows-an) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-85366: Microsoft Windows Installer heap buffer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-85366-heap-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-85358: Microsoft Windows Installer heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-85358-heap-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-83779: Windows Installer heap-based buffer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-83779-heap-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-87711: Microsoft Windows Installer stack buffer overflow privilege escalation](https://junglewise.ai/threats/cve-2026-87711-stack-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-87700: Windows Installer use-after-free privilege escalation](https://junglewise.ai/threats/cve-2026-87700-use-after-free-in-windows-installer-allows-an-authorized-attacker) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-83767: Windows Installer stack-based buffer overflow](https://junglewise.ai/threats/cve-2026-83767-stack-based-buffer-overflow-in-windows-installer-allows-an) (high, CVSS 7.8, published 13 Oct 2026) ## Vulnerabilities per week 33 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 | 5 | 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 | 33 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 34 | 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 Installer vulnerabilities", https://junglewise.ai/threats/technologies/windows-installer, 13 November 2026.