CVE-2025-26643
CVE-2025-26643 is a medium-severity vulnerability in Microsoft Edge Chromium with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-449.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-6310
- Weakness: CWE-449
- Affected product: Microsoft Edge Chromium
- Published:
- Last modified:
Description
The UI performs the wrong action in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
Frequently asked questions
- What is CVE-2025-26643?
- The UI performs the wrong action in Microsoft Edge (Chromium-based) allows an unauthorized attacker to perform spoofing over a network.
- How severe is CVE-2025-26643?
- CVE-2025-26643 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2025-26643 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-26643?
- CVE-2025-26643 affects Microsoft Edge Chromium. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-26643?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-26643 have an EU (EUVD) identifier?
- Yes. CVE-2025-26643 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6310.
- When was CVE-2025-26643 published?
- CVE-2025-26643 was published on 2025-03-07 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:edge_chromium:*:*:*:*:*:*:*:*
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