CVE-2026-70341 json
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
published 2026-09-11 58 d ago modified 2026-10-30 9 d ago also EUVD-2026-76143
- cvss
- 8.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 50%
- public exploits
- 0
- none known
Summary
Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to execute code over a network.
Patch / fix
- Microsoft Microsoft Edge (Chromium-based) 152.0.4191.52
- Microsoft Microsoft Edge for Android 152.0.4191.52
- Microsoft Microsoft Edge for iOS 152.0.4191.52
- Microsoft Microsoft Edge for Linux 152.0.4191.52
- Microsoft Microsoft Edge for MAC 152.0.4191.52
- Microsoft Microsoft Edge for Windows 152.0.4191.52
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 58 d ago
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 50% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 8.5 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Microsoft Edge (Chromium-based)
- Microsoft Microsoft Edge for Android
- Microsoft Microsoft Edge for iOS
- Microsoft Microsoft Edge for Linux
- Microsoft Microsoft Edge for MAC
- Microsoft Microsoft Edge for Windows
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-70341
vendor-advisory, patch
Sources
- CVE List CVE-2026-70341
- NVD CVE-2026-70341
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.