CVE-2023-23389 json
Microsoft Defender Elevation of Privilege Vulnerability
published 2023-03-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-27489
- cvss
- 6.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 17%
- public exploits
- 0
- none known
Summary
Microsoft Defender Elevation of Privilege Vulnerability
Patch / fix
- Microsoft Microsoft Malware Protection Engine 1.1.20000.2
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 6.3 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H |
Affected products
- Microsoft Microsoft Malware Protection Engine
Classification
- Weakness
-
- CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2023-23389
vendor-advisory, patch
Sources
- CVE List CVE-2023-23389
- NVD CVE-2023-23389
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.