EUVD-2026-73920
GHSA-qx8h-q38g-hp48
Severity by source
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Local attack requiring low-privileged session to reach VBS Enclave APIs; confidentiality-only impact with no write primitive or availability effect.
Primary rating from Vendor (microsoft).
CVSS VectorVendor: microsoft
Lifecycle Timeline
4DescriptionCVE.org
Out-of-bounds read in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to disclose information locally.
AnalysisAI
Out-of-bounds memory read in Windows Virtualization-Based Security (VBS) Enclave allows a locally authorized attacker to disclose protected enclave memory contents. Affected systems span Windows 11 versions 23H2 through 26H1 and Windows Server 2025; Microsoft has issued patched builds addressing the flaw. …
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 | The attacker must have local code execution with at least low-privilege level (PR:L) on an affected, unpatched Windows 11 or Windows Server 2025 system. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | CVSS 3.1 score of 5.5 (Medium) accurately reflects the local attack vector (AV:L), low-privilege requirement (PR:L), and confidentiality-only impact (C:H/I:N/A:N). … 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 update corresponding to the installed Windows version: Windows 11 23H2 systems should update to build 10.0.22631.7582 or later; Windows 11 24H2 systems to 10.0.26100.9445 or later; Windows 11 25H2 systems to 10.0.26200.9445 or later; Windows 11 26H1 systems to 10.0.28000.2954 or later; Windows Server 2025 (including Server Core) to 10.0.26100.33438 or later. … Detailed patch versions, workarounds, and compensating controls in full report. |
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Windows 11 23h2
View allInternet Shortcut Files Security Feature Bypass Vulnerability. Rated high severity (CVSS 8.1), this vulnerability is rem
Windows Kernel contains a TOCTOU race condition vulnerability allowing local privilege escalation, exploited by the OilR
Windows Internet Shortcut Files (.url) contain an external control vulnerability (CVE-2025-33053, CVSS 8.8) that enables
Windows SMB contains an improper access control vulnerability (CVE-2025-33073, CVSS 8.8) enabling authenticated attacker
Windows Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack co
Active Directory Domain Services contains an elevation of privilege vulnerability that allows authenticated domain users
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is l
Windows MSHTML Platform Spoofing Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitab
Microsoft Scripting Engine contains a type confusion vulnerability allowing unauthorized remote code execution over the
Windows Task Scheduler Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is low a
Windows SmartScreen Security Feature Bypass Vulnerability. Rated high severity (CVSS 7.6), this vulnerability is remotel
Symlink following (CWE-59) in the Windows Update Stack enables a locally authenticated attacker with standard user privi
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Information Disclosure
View allShare
External POC / Exploit Code
Leaving vuln.today