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CVE-2023-21725

22
FAUCET Score

CVE-2023-21725 is an Elevation of Privilege vulnerability affecting the Microsoft Windows Malicious Software Removal Tool. This vulnerability has a CVSS score of 6.3 (Medium), indicating that a low-privileged attacker could achieve high impact to integrity and availability with high attack complexity, requiring local access. There is no evidence of active exploitation, public exploit code, or Metasploit modules, and it is not listed in the CISA KEV catalog. Community discussion and media coverage are minimal, with only one article mentioning it as part of a larger patch Tuesday update.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.109CPE matchmatch criteria
cpe:2.3:a:microsoft:windows_malicious_software_removal_tool:*:*:*:*:*:*:*:*
>= 5.0.0, < 5.109.19957.1CPE match
cpe:2.3:a:microsoft:windows_malicious_software_removal_tool:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.0
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 80th percentile among its peer group of 1,297 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc
Product: Windows Malicious Software Removal Tool 64-bitFixed in: 5.109.19957.1
View patch
microsoftpatch availablevia msrc
Product: Windows Malicious Software Removal Tool 32-bitFixed in: 5.109.19957.1
View patch

Vendor Advisories (1)

microsoft2023-Jan/CVE-2023-21725Important

Windows Malicious Software Removal Tool Elevation of Privilege Vulnerability

Jan 10, 2023

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2023-21725