CVE-2026-85893: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability
Other sources
Use after free in Microsoft Edge (Chromium-based) allows an unauthorized attacker to elevate privileges over a network.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 153.0.4234.32
Event History
Frequently Asked Questions
What level of access does an attacker need to exploit this issue?
The vulnerability is rated as network-reachable with low attack complexity and requires no privileges. However, user interaction is required.
What is the potential impact if exploitation succeeds?
A successful attack could allow an unauthorized attacker to elevate privileges. The supplied severity vector indicates high potential impact to confidentiality, integrity, and availability.
How can I determine whether my environment may be affected?
Review systems running Microsoft Edge or Microsoft Edge (Chromium-based). The provided data does not identify affected or fixed version ranges.