Microsoft Edge for IOS and Android Spoofing Vulnerability
Priority LOW 33CWE-451Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from Microsoft.
Summary
Microsoft Edge for IOS and Android Spoofing Vulnerability
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01227 69th percentileScored 2026-11-07
Fix Fixed Microsoft Edge for Android (Microsoft): 133.0.3065.51Microsoft Edge for iOS (Microsoft): 133.0.3065.51
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Microsoft | Microsoft Edge for Android | 1.0.0 to before 133.0.3065.51 | 133.0.3065.51 | Patch available | CNA |
| Microsoft | Microsoft Edge for iOS | 1.0.0.0 to before 133.0.3065.51 | 133.0.3065.51 | Patch available | CNA |
Remediation
- Fix · CNA Microsoft Edge for Android (Microsoft) Fixed in 133.0.3065.51
- Fix · CNA Microsoft Edge for iOS (Microsoft) Fixed in 133.0.3065.51
Vendor assessments
Microsoft
Microsoft's page for this CVE →
- Impact
- Spoofing
- Exploited
- No
- Publicly disclosed
- No
- Exploitability
- Exploitation Less Likely
| Product | Status | Plan or fix |
|---|---|---|
| Microsoft Edge for Android | Fixed | 133.0.3065.51 · Security Update |
| Microsoft Edge for iOS | Fixed | 133.0.3065.51 · Security Update |
Timeline
- 2026-10-02 Threatist record created from CVE-2025-21253
- 2026-10-03 Alias added: GHSA-46w9-wr67-cf43
References
More Microsoft Edge vulnerabilities
- TI-2024-07390 Type confusion in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2022-03781 Out-of-bounds write in Google Chrome KEVCVSS 3.1CRITICAL 9.6
- TI-2015-00277 Use-after-free vulnerability in Adobe Flash Player before 13.0.0.269 and 14.x through… KEVCVSS 3.1CRITICAL 9.8
- TI-2015-00275 Unspecified vulnerability in Adobe Flash Player through 13.0.0.262 and 14.x, 15.x, and… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2020-12621 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2025-21253 · CVE Program
- CVE-2025-21253 · NVD
- FIRST EPSS
- GHSA-46w9-wr67-cf43 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-21253 · Microsoft Security Update Guide
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences