CVE-2025-21404: microsoft edge_chromium The UI Performs the Wrong Action
CVSS: 4.3v3.1MediumAnalyzed
Published 06-02-2025Last modified 13-02-2026
Vulnerability summary
CVE-2025-21404 is a medium (CVSS 4.3) The UI Performs the Wrong Action vulnerability in microsoft edge_chromium. EPSS estimates a 1.09% chance of exploitation in the next 30 days, higher than 64.8% of scored vulnerabilities.
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)EPSS score
1.09%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-02-2025PublishedVulnerability first disclosed.
- 13-02-2026Last modifiedVulnerability information updated.
Description
Microsoft Edge (Chromium-based) Spoofing Vulnerability
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
EPSS trend
Probability
1.09%
Chance of exploitation in the next 30 days
Percentile
65%
Versus all other CVEs
30-day change
0.00 pp
From 1.09% on 19-09-2026
19-09-202619-10-2026
EPSS score1.09%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-449The UI Performs the Wrong ActionThe UI performs the wrong action with respect to the user's request.
- CWE-451User Interface (UI) Misrepresentation of Critical InformationThe user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks.
Affected systems
Microsoft2 products
- edge_chromium< 133.0.3065.51
- microsoft edge (chromium-based)≥ 1.0.0.0, < 133.0.3065.51
1 vendor · 2 products