CVE-2025-27735Windows Virtualization-Based Security (VBS) Security Feature Bypass Vulnerability
- 6.0MediumCVSS base score
- 0.41%Exploitation in 30 daysEPSS · top 64% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Insufficient verification of data authenticity in Windows Virtualization-Based Security (VBS) Enclave allows an authorized attacker to bypass a security feature locally.
Timeline
ID reserved
By microsoft
- 33 days later
· 33 days later
Published
- 16 months later
· 16 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoftCNA (assigner) | 3.1 | Medium6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C |
| NVDNVD · Analyzed | 3.1 | Medium6.0 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
- EPSS (exploitation in 30 days)
- 0.41% · top 64% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.0.
Affected products
Microsoft · Windows 10 Version 1507
- affected 10.0.10240.0 – < 10.0.10240.20978
Microsoft · Windows 10 Version 1607
- affected 10.0.14393.0 – < 10.0.14393.7969
Microsoft · Windows 10 Version 1809
- affected 10.0.17763.0 – < 10.0.17763.7136
Microsoft · Windows 10 Version 21H2
- affected 10.0.19044.0 – < 10.0.19044.5737
Microsoft · Windows 10 Version 22H2
- affected 10.0.19045.0 – < 10.0.19045.5737
Microsoft · Windows 11 version 22H2
- affected 10.0.22621.0 – < 10.0.22621.5189
Microsoft · Windows 11 version 22H3
- affected 10.0.22631.0 – < 10.0.22631.5189
Microsoft · Windows 11 Version 23H2
- affected 10.0.22631.0 – < 10.0.22631.5189
Microsoft · Windows 11 Version 24H2
- affected 10.0.26100.0 – < 10.0.26100.3775
Microsoft · Windows Server 2016
- affected 10.0.14393.0 – < 10.0.14393.7969
Microsoft · Windows Server 2016 (Server Core installation)
- affected 10.0.14393.0 – < 10.0.14393.7969
Microsoft · Windows Server 2019
- affected 10.0.17763.0 – < 10.0.17763.7136
Microsoft · Windows Server 2019 (Server Core installation)
- affected 10.0.17763.0 – < 10.0.17763.7136
Microsoft · Windows Server 2022
- affected 10.0.20348.0 – < 10.0.20348.3453
Microsoft · Windows Server 2022, 23H2 Edition (Server Core installation)
- affected 10.0.25398.0 – < 10.0.25398.1551
Microsoft · Windows Server 2025
- affected 10.0.26100.0 – < 10.0.26100.3775
Microsoft · Windows Server 2025 (Server Core installation)
- affected 10.0.26100.0 – < 10.0.26100.3775
References
References1
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-10153 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-27735)Record last updated .