CVE-2023-28261: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Severity: medium (CVSS 5.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-04-27 · updated 2026-06-17
Weakness: CWE-269

Description

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Affected products

Microsoft Edge (Chromium): before 110.0.1587.78; before 111.0.1661.54 — fixed in 110.0.1587.78, 111.0.1661.54
Microsoft Edge (Chromium): from 1.0.0 before 110.0.1587.78 — fixed in 110.0.1587.78

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 110.0.1587.78, 111.0.1661.54; Microsoft Edge (Chromium) 110.0.1587.78. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28261
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28261
https://security.gentoo.org/glsa/202309-17

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