MEDIUM · 4.2

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.

Vulnerability 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 Score

4.2

MEDIUM

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
MicrosoftEdge Chromium< 150.0.4078.48

Related Weaknesses (CWE)

References

FAQ

What is CVE-2026-55945?

CVE-2026-55945 is a vulnerability with a CVSS score of 4.2 (MEDIUM). Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.

How severe is CVE-2026-55945?

CVE-2026-55945 has been rated MEDIUM with a CVSS base score of 4.2/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-55945?

Check the references section above for vendor advisories and patch information. Affected products include: Microsoft Edge Chromium.