CVE-2023-21752 json
Windows Backup Service Elevation of Privilege Vulnerability
published 2023-01-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-25919
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 5.5%
- EPSS 5.5% chance of exploitation in 30 days, percentile 92%
- public exploits
- 1
- Exploit-DB
Summary
Windows Backup Service Elevation of Privilege Vulnerability
Patch / fix
- Microsoft Windows 10 Version 22H2 10.0.19045.2486
- Microsoft Windows 11 version 22H2 10.0.22621.1105
- Microsoft Windows 10 Version 21H2 10.0.19044.2486
- Microsoft Windows 11 version 21H2 10.0.22000.1455
- Microsoft Windows 10 Version 20H2 10.0.19042.2486
- Microsoft Windows 10 Version 1809 10.0.17763.3887
- Microsoft Windows 10 Version 1607 10.0.14393.5648
- Microsoft Windows 7 Service Pack 1 6.1.7601.26321
- Microsoft Windows 10 Version 1507 10.0.10240.19685
- Microsoft Windows 7 6.1.7601.26321
Timeline
- Published
- First public exploit (EDB-51203)
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
5.47% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-51203 Windows 11 10.0.22000 - Backup service Privilege Escalation local, 2023-04-03
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
Affected products
- Microsoft Windows 10 Version 22H2
- Microsoft Windows 11 version 22H2
- Microsoft Windows 10 Version 21H2
- Microsoft Windows 11 version 21H2
- Microsoft Windows 10 Version 20H2
- Microsoft Windows 10 Version 1809
- Microsoft Windows 10 Version 1607
- Microsoft Windows 7 Service Pack 1
- Microsoft Windows 10 Version 1507
- Microsoft Windows 7
Classification
- Weakness
-
- CWE-284 Improper Access Control
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-21752
vendor-advisory
Sources
- CVE List CVE-2023-21752
- NVD CVE-2023-21752
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