EUVD-2026-73538
GHSA-xxhf-v749-5523
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Local standard-user access (PR:L, AV:L) required; no complexity or interaction needed; full C/I/A on the vulnerable host matches SYSTEM-level escalation.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
3DescriptionCVE.org
Heap-based buffer overflow in Windows Camera Frame Server Monitor allows an authorized attacker to elevate privileges locally.
AnalysisAI
Heap-based buffer overflow in the Windows Camera Frame Server Monitor service enables a local authenticated user to elevate privileges to SYSTEM on Windows 11 and Windows Server 2025. Exploitation requires only a standard user account and no user interaction, making it a reliable post-exploitation privilege escalation primitive. …
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 a local authenticated session with at minimum standard user privileges (PR:L per CVSS vector) on one of the affected Windows 11 or Windows Server 2025 builds. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 7.8 score (AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately captures the threat model: low attack complexity, standard user privileges, no user interaction, and full local system impact. … 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 vendor-released cumulative update via Windows Update, WSUS, or Microsoft Update Catalog targeting the following minimum fixed builds: Windows 11 25H2 → 10.0.26200.9445 or later; Windows 11 26H1 → 10.0.28000.2954 or later; Windows 11 24H2 and Windows Server 2025 (including Server Core) → 10.0.26100.9445 / 10.0.26100.33438 or later as applicable. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all Windows 11 and Windows Server 2025 systems with Camera Frame Server Monitor enabled, prioritizing production servers and sensitive workstations. …
Sign in for detailed remediation steps and compensating controls.
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