CVE-2023-28270 json
Windows Lock Screen Security Feature Bypass Vulnerability
published 2023-04-11 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31977
- cvss
- 6.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 42%
- public exploits
- 0
- none known
Summary
Windows Lock Screen Security Feature Bypass Vulnerability
Patch / fix
- Microsoft Windows 10 Version 1809 10.0.17763.4252
- Microsoft Windows Server 2019 10.0.17763.4252
- Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.4252
- Microsoft Windows Server 2022 10.0.20348.1668
- Microsoft Windows 10 Version 20H2 10.0.19042.2846
- Microsoft Windows 11 version 21H2 10.0.22000.1817
- Microsoft Windows 10 Version 21H2 10.0.19044.2846
- Microsoft Windows 11 version 22H2 10.0.22621.1555
- Microsoft Windows 10 Version 22H2 10.0.19045.2846
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 2 y ago
Exploit prediction
0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.8 | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Windows 10 Version 1809
- Microsoft Windows Server 2019
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022
- Microsoft Windows 10 Version 20H2
- Microsoft Windows 11 version 21H2
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 10 Version 22H2
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-28270
vendor-advisory, patch
Sources
- CVE List CVE-2023-28270
- NVD CVE-2023-28270
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.