# Microsoft Windows BitLocker vulnerabilities Source: https://junglewise.ai/threats/technologies/windows-bitlocker Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 19 October 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/windows-bitlocker.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 5 vulnerabilities in Microsoft Windows BitLocker: 3 in the last 7 days and 5 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-96909, was published on 13 October 2026. 3 vulnerabilities in the last four weeks, up 50% on the four before (2). 1 critical against 0. ## Counts - Last 7 days: 3 - Last 30 days: 3 - Last 90 days: 5 - All time: 5 (1 critical, 0 exploited in the wild) ## About Microsoft Windows BitLocker Disk encryption security feature in Windows operating systems. ## Latest Microsoft Windows BitLocker vulnerabilities - [CVE-2026-96909: Windows BitLocker heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-96909-heap-based-buffer-overflow-in-windows-bitlocker-allows-an) (critical, CVSS 9.8, published 13 Oct 2026) - [CVE-2026-88070: Windows BitLocker out-of-bounds read privilege escalation](https://junglewise.ai/threats/cve-2026-88070-out-of-bounds-read-in-windows-bitlocker-allows-an-authorized) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-83500: Windows BitLocker open redirect allows security feature bypass](https://junglewise.ai/threats/cve-2026-83500-url-redirection-to-untrusted-site-open-redirect-in-windows) (medium, CVSS 6.1, published 13 Oct 2026) - [CVE-2026-69458: Windows BitLocker out-of-bounds read privilege escalation](https://junglewise.ai/threats/cve-2026-69458-out-of-bounds-read-in-windows-bitlocker-allows-an-authorized) (high, CVSS 8, published 8 Sep 2026) - [CVE-2026-69449: Microsoft Windows BitLocker heap buffer overflow](https://junglewise.ai/threats/cve-2026-69449-heap-based-buffer-overflow-in-windows-bitlocker-allows-an) (medium, CVSS 6.7, published 8 Sep 2026) ## Most severe Microsoft Windows BitLocker vulnerabilities - [CVE-2026-96909: Windows BitLocker heap-based buffer overflow](https://junglewise.ai/threats/cve-2026-96909-heap-based-buffer-overflow-in-windows-bitlocker-allows-an) (critical, CVSS 9.8, published 13 Oct 2026) - [CVE-2026-69458: Windows BitLocker out-of-bounds read privilege escalation](https://junglewise.ai/threats/cve-2026-69458-out-of-bounds-read-in-windows-bitlocker-allows-an-authorized) (high, CVSS 8, published 8 Sep 2026) - [CVE-2026-88070: Windows BitLocker out-of-bounds read privilege escalation](https://junglewise.ai/threats/cve-2026-88070-out-of-bounds-read-in-windows-bitlocker-allows-an-authorized) (high, CVSS 7.8, published 13 Oct 2026) - [CVE-2026-69449: Microsoft Windows BitLocker heap buffer overflow](https://junglewise.ai/threats/cve-2026-69449-heap-based-buffer-overflow-in-windows-bitlocker-allows-an) (medium, CVSS 6.7, published 8 Sep 2026) - [CVE-2026-83500: Windows BitLocker open redirect allows security feature bypass](https://junglewise.ai/threats/cve-2026-83500-url-redirection-to-untrusted-site-open-redirect-in-windows) (medium, CVSS 6.1, published 13 Oct 2026) ## Vulnerabilities per week 3 vulnerabilities in the last four weeks, up 50% on the four before (2). 1 critical against 0. | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 27 Jul 2026 | 0 | 0 | 0 | | 3 Aug 2026 | 0 | 0 | 0 | | 10 Aug 2026 | 0 | 0 | 0 | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 2 | 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 | 3 | 1 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | ## Other Microsoft technologies - [Microsoft Windows](https://junglewise.ai/threats/technologies/windows-): 1,706 vulnerabilities - [Microsoft Windows 10](https://junglewise.ai/threats/technologies/windows-10): 588 vulnerabilities - [Microsoft Windows 11](https://junglewise.ai/threats/technologies/windows-11): 493 vulnerabilities - [Microsoft Windows 11 24h2](https://junglewise.ai/threats/technologies/windows-11-24h2): 486 vulnerabilities - [Microsoft Windows Server 2012](https://junglewise.ai/threats/technologies/windows-server-2012): 473 vulnerabilities - [Microsoft Windows Server 2019](https://junglewise.ai/threats/technologies/windows-server-2019): 469 vulnerabilities - [Microsoft Windows Server 2022](https://junglewise.ai/threats/technologies/windows-server-2022): 461 vulnerabilities - [Microsoft Windows 11 25h2](https://junglewise.ai/threats/technologies/windows-11-25h2): 455 vulnerabilities - [Microsoft Windows Server 2016](https://junglewise.ai/threats/technologies/windows-server-2016): 427 vulnerabilities - [Microsoft Windows Server 2025](https://junglewise.ai/threats/technologies/windows-server-2025): 427 vulnerabilities - [Microsoft Windows 10 21h2](https://junglewise.ai/threats/technologies/windows-10-21h2): 359 vulnerabilities - [Microsoft Windows 10 22h2](https://junglewise.ai/threats/technologies/windows-10-22h2): 358 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 BitLocker vulnerabilities", https://junglewise.ai/threats/technologies/windows-bitlocker, 19 October 2026.