CVE-2026-69449

MediumCVSS 6.7/10Last modified Sep 25, 2026

Description

Heap-based buffer overflow in Windows BitLocker allows an authorized attacker to execute code locally.

Metrics

CVSS 3.1 6.7/10CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-122

Affected software

VendorProductVersions
MicrosoftWindows 10 Version 1607>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows 10 Version 1809>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows 10 Version 21H2>= 10.0.19044.0, < 10.0.19044.7725
MicrosoftWindows 10 Version 22H2>= 10.0.19045.0, < 10.0.19045.7725
MicrosoftWindows 11 version 23H2>= 10.0.22631.0, < 10.0.22631.7582
MicrosoftWindows 11 Version 23H2>= 10.0.22631.0, < 10.0.22631.7582
MicrosoftWindows 11 Version 24H2>= 10.0.26100.0, < 10.0.26100.9445
MicrosoftWindows 11 Version 25H2>= 10.0.26200.0, < 10.0.26200.9445
MicrosoftWindows 11 version 26H1>= 10.0.28000.0, < 10.0.28000.2954
MicrosoftWindows Server 2012>= 6.2.9200.0, < 6.2.9200.26349
MicrosoftWindows Server 2012 (Server Core installation)>= 6.2.9200.0, < 6.2.9200.26349
MicrosoftWindows Server 2012 R2>= 6.3.9600.0, < 6.3.9600.23398
MicrosoftWindows Server 2012 R2 (Server Core installation)>= 6.3.9600.0, < 6.3.9600.23398
MicrosoftWindows Server 2016>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows Server 2016 (Server Core installation)>= 10.0.14393.0, < 10.0.14393.9512
MicrosoftWindows Server 2019>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2019 (Server Core installation)>= 10.0.17763.0, < 10.0.17763.9245
MicrosoftWindows Server 2022>= 10.0.20348.0, < 10.0.20348.5622
MicrosoftWindows Server 2025>= 10.0.26100.0, < 10.0.26100.33438
MicrosoftWindows Server 2025 (Server Core installation)>= 10.0.26100.0, < 10.0.26100.33438

References

Timeline

Published
Sep 8, 2026
Last modified
Sep 25, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-694507.8Out-of-bounds read in Windows Error Reporting allows an authorized attacker to elevate privileges locally.CVE-2026-694517.1Use after free in Windows Management Instrumentation allows an authorized attacker to elevate privileges over a network.CVE-2026-694527.1Use after free in Windows Enterprise App Management allows an authorized attacker to elevate privileges over a network.CVE-2026-694535.5Missing authorization in Microsoft Windows Search Component allows an authorized attacker to perform tampering locally.CVE-2026-694547.5Out-of-bounds read in Microsoft Azure Attestation service and Device Health Attestation Service allows an unauthorized attacker to disclose CVE-2026-694557.8Heap-based buffer overflow in Windows Remote Access Connection Manager allows an authorized attacker to elevate privileges locally.CVE-2026-694567.8Heap-based buffer overflow in Microsoft Windows Speech allows an authorized attacker to elevate privileges locally.CVE-2026-694575.5Out-of-bounds read in Windows USB Driver allows an authorized attacker to disclose information locally.CVE-2026-694588.0Out-of-bounds read in Windows BitLocker allows an authorized attacker to elevate privileges over a network.CVE-2026-694597.8Heap-based buffer overflow in Windows Power Dependency Coordinator allows an authorized attacker to elevate privileges locally.CVE-2026-694607.1Use after free in Windows Modern Device Management (MDM) allows an authorized attacker to elevate privileges over a network.CVE-2026-694618.8Stack-based buffer overflow in Windows NTFS allows an unauthorized attacker to execute code over a network.
CVE-2026-69449: Medium severity, CVSS 6.7 | Vulnix