EUVD-2026-73501
GHSA-2wjp-qh5q-f5qf
Severity by source
AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Local vector and high privileges required confirm admin-only local exploitation; full C/I/A reflects arbitrary code execution capability post-overflow.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in Windows BitLocker allows an authorized attacker to execute code locally.
AnalysisAI
Heap-based buffer overflow in Windows BitLocker enables an authorized local attacker with high privileges to achieve arbitrary code execution on the vulnerable system. The vulnerability affects an exceptionally broad range of Windows releases, from Windows Server 2012 through Windows 11 25H2 and 26H1, with vendor-confirmed patches available. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires an authorized local attacker with high privileges (administrator-level) on the target Windows system - this is confirmed by the CVSS PR:H and AV:L metrics. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 6.7 (AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H) accurately reflects the constrained attack surface: exploitation requires local, high-privileged (administrator) access, which dramatically limits the realistic attacker population. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Apply the Microsoft Security Response Center patch for CVE-2026-69449 via Windows Update or WSUS, targeting the build thresholds listed per OS version above (e.g., Windows Server 2025 to 10.0.26100.33438, Windows 11 24H2/25H2 to 10.0.26100.9445, Windows 10 22H2 to 10.0.19045.7725). … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
Same weakness CWE-122 – Heap-based Buffer Overflow
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today