CVE-2026-20935 json
Windows Virtualization-Based Security (VBS) Information Disclosure Vulnerability
published 2026-01-13 9 mo ago modified 2026-07-30 3 mo ago also EUVD-2026-2124
- cvss
- 6.2
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 38%
- public exploits
- 0
- none known
Summary
Untrusted pointer dereference in Windows Virtualization-Based Security (VBS) Enclave allows an unauthorized attacker to disclose information locally.
Patch / fix
- Microsoft Windows 11 version 23H2 10.0.22631.6491
- Microsoft Windows 11 Version 24H2 10.0.26100.7623
- Microsoft Windows 11 Version 25H2 10.0.26200.7623
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 9 mo ago
Exploit prediction
0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.2 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Microsoft Windows 11 version 23H2
- Microsoft Windows 11 Version 24H2
- Microsoft Windows 11 Version 25H2
Classification
- Weakness
-
- CWE-822 Untrusted Pointer Dereference
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-20935
vendor-advisory, patch
Sources
- CVE List CVE-2026-20935
- NVD CVE-2026-20935
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