What is CVE-2025-9491?

CVE-2025-9491 is a high-severity vulnerability in Microsoft Windows, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 7.0/10. Published 2025-08-26.

How severe is CVE-2025-9491?

High severity. CVSS v3 base score is 7.0 out of 10.

Is CVE-2025-9491 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Windows

CVE-2025-9491

Microsoft Windows LNK File UI Misrepresentation Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Microsoft Windows. User interaction is required to explo…

EPSS: 0.631 (99.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.0 (High). Vector: CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Microsoft Windows — versions 11 Enterprise 23H2 22631.4169 x64

Weakness classification (CWE)

CWE-451 — User Interface (UI) Misrepresentation of Critical Information

Public proof-of-concept exploits

References

ZDI-25-148 (x_research-advisory)

Frequently asked questions

What is CVE-2025-9491?: CVE-2025-9491 is a high-severity vulnerability in Microsoft Windows, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 7.0/10. Published 2025-08-26.
How severe is CVE-2025-9491?: High severity. CVSS v3 base score is 7.0 out of 10.
Is CVE-2025-9491 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.