CVE-2025-21253
CVE-2025-21253 is a medium-severity vulnerability in Microsoft Edge with a CVSS 3.x base score of 5.3. 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-451.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-2319
- Weakness: CWE-451
- Affected product: Microsoft Edge
- Published:
- Last modified:
Description
Microsoft Edge for IOS and Android Spoofing Vulnerability
Frequently asked questions
- What is CVE-2025-21253?
- Microsoft Edge for IOS and Android Spoofing Vulnerability
- How severe is CVE-2025-21253?
- CVE-2025-21253 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2025-21253 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-21253?
- CVE-2025-21253 primarily affects Microsoft Edge. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2025-21253?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-21253 have an EU (EUVD) identifier?
- Yes. CVE-2025-21253 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-2319.
- When was CVE-2025-21253 published?
- CVE-2025-21253 was published on 2025-02-06 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:microsoft:edge:-:*:*:*:*:android:*:*
- cpe:2.3:a:microsoft:edge:-:*:*:*:*:iphone_os:*:*
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