CVE-2026-88077 json
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
published 2026-10-29 11 d ago modified 2026-11-03 5 d ago also EUVD-2026-112939
- cvss
- 8.8
- 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
Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
Patch / fix
- Microsoft Microsoft Edge (Chromium-based) 154.0.4258.62
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 10 d ago
Exploit prediction
0.63% 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 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Microsoft Microsoft Edge (Chromium-based)
Classification
- Weakness
-
- CWE-190 Integer Overflow or Wraparound
References
-
msrc.microsoft.com
/update-guide/vulnerability/CVE-2026-88077
vendor-advisory, patch
Sources
- CVE List CVE-2026-88077
- NVD CVE-2026-88077
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