CVE-2026-85899
HIGH severity · CVSS 8.1 · Use-after-free
8.1CVSS HIGH
Summary
Use after free in Microsoft Edge (Chromium-based) allows an authorized attacker to elevate privileges over a network.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85899 ↗