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CVE-2026-88077

HighCVSS 8.8/10Last modified Nov 3, 2026

Description

Integer overflow or wraparound in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

Vendor	Product	Versions
Microsoft	Microsoft Edge (Chromium-based)	>= 1.0.0.0, < 154.0.4258.62

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-88077Patch, Vendor Advisory

Timeline

Published: Oct 29, 2026
Last modified: Nov 3, 2026
NVD status: Analyzed

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CVE-2026-88077: High severity, CVSS 8.8 | Vulnix