CVE-2026-21223

HIGH

Microsoft Edge - Privilege Escalation

Title source: llm
STIX 2.1

Description

Improper privilege management in Microsoft Edge (Chromium-based) allows an authorized attacker to bypass a security feature locally.

References (1)

Scores

CVSS v3 7.1
EPSS 0.0003
EPSS Percentile 7.7%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-269
Status published
Products (2)
microsoft/edge_chromium < 144.0.3719.82
Microsoft/Microsoft Edge (Chromium-based) 1.0.0.0 - 144.0.3719.82
Published Jan 16, 2026
Tracked Since Feb 18, 2026