CVE-2023-33156: microsoft malware_protection_engine
CVSS: 7.0v3.1HighModified
Published 11-07-2023Last modified 28-02-2025
Vulnerability summary
CVE-2023-33156 is a high (CVSS 7.0) vulnerability in microsoft malware_protection_engine. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.5% of scored vulnerabilities.
CVSS score
7.0/10
010
High · v3.1 (NVD)EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-07-2023PublishedVulnerability first disclosed.
- 28-02-2025Last modifiedVulnerability information updated.
Description
Microsoft Defender Elevation of Privilege Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.0Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 6.3–7.0
- CVE.orgCNA6.3MediumCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H/E:U/RL:O/RC:CDiffers
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
0.00 pp
From 0.27% on 19-09-2026
19-09-202619-10-2026
EPSS score0.27%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft2 products
- malware_protection_engine< 1.1.23050.3
- microsoft malware protection engine≥ 1.1.0.0, < 1.1.23050.3
1 vendor · 2 products
