SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2026-55945

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.

MEDIUM 4.2EPSS 0.19%

Does this matter?

Lower severity and a low EPSS score (0.19%). Track it; it rarely justifies an emergency change on its own.

Description

Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.

CVSS 3.1
4.2 MEDIUMCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
EPSS
0.19% probability · 8th percentile
CISA KEV
Not listed
Weakness
CWE-362
Affected
microsoft/edge chromium
Source
secure@microsoft.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.