CVE-2026-85920
7.0HighPublished 13 Oct 2026 · NVD status: Analyzed · AI triage by gemini-3.8-flash
- Attack vector
- Local
- Complexity
- High
- Privileges needed
- Low
- User interaction
- None
- Impact
- Full C/I/A compromise
- Weakness
- CWE-367
Impact
A local attacker with valid credentials can elevate privileges to SYSTEM or full BitLocker administrative access. They must already have local execution permissions on the target host.
Root cause
A time-of-check to time-of-use (TOCTOU) race condition in Windows BitLocker mishandles state verification during operations.
Affected systems
Versions not listed — check the vendor advisory.
CVSS v3.1 · CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Fix & remediation
Install the official Microsoft security update for Windows BitLocker via Windows Update or WSUS once released; no interim workarounds or configuration mitigations are documented.
AI-suggested. Run it in staging first and check it against the vendor advisory. Why?
NVD description
Time-of-check time-of-use (toctou) race condition in Windows BitLocker allows an authorized attacker to elevate privileges locally.