CVE-2023-21795: Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Severity: high (CVSS 8.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-01-23 · updated 2026-06-17
Weakness: CWE-416

Description

Microsoft Edge (Chromium-based) Elevation of Privilege Vulnerability

Affected products

Microsoft Edge (Chromium): before 109.0.1518.70 — fixed in 109.0.1518.70
Microsoft Edge (Chromium): from 1.0.0 before 109.0.1518.52 — fixed in 109.0.1518.52

How to fix

Upgrade to a fixed version: Microsoft Edge (Chromium) 109.0.1518.70; Microsoft Edge (Chromium) 109.0.1518.52. Check the vendor advisory for mitigations.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21795
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21795

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