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: 0.689 (99.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Windows — versions 11 Enterprise 23H2 22631.4169 x64
- Microsoft Windows_11_23h2 — versions 10.0.22631.4169
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
- 134c704f-9b21-4f2e-91b3-4a467353bcc0
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: 7.8/10. Published 2025-08-26.
- How severe is CVE-2025-9491?
- High severity. CVSS v3 base score is 7.8 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.