CVE-2025-53769

FAUCET Score

CVE-2025-53769 describes an external control of file name or path vulnerability within the Microsoft Windows Security App. This medium-severity flaw (CVSS 5.5) allows an authorized local attacker to perform spoofing, potentially leading to high confidentiality impact. While there is no known active exploitation or public exploit code, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the security landscape.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 1000.27840.0.1000CPE matchmatch criteria	cpe:2.3:a:microsoft:windows_security_app::::::::

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

Exploitability Score

1.8

Impact Score

3.6

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.39%

Probability of exploitation in next 30 days

EPSS Percentile

31.7%

Percentile rank of EPSS score among Peer Group

As of 2026-07-28

Model: v2026.06.15

This CVE's current EPSS score of 0.0039 is in the 87th percentile among its peer group of 15,940 CVEs.

Social Chatter

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

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

microsoftpatch availablevia msrc

Product: Windows Security AppFixed in: 1000.27840.1000.0

microsoftvendor investigatingvia nvd_reference

View patch

Vendor Advisories (1)

microsoft2025-Aug/CVE-2025-53769Important

Windows Security App Spoofing Vulnerability

Aug 12, 2025

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2025-53769

Vendor Advisory