CVE-2026-55945 MEDIUM

CVE-2026-55945: Microsoft Edge (Chromium-based) Information Disclosure Vulnerability

Vendor Microsoft

Product Microsoft Edge (Chromium-based)

Weakness CWE-362

Published July 3, 2026

Last update July 3, 2026

View on NVD All CVEs

CVSS base score

4.2/10

Attack vector Local

Attack complexity High

Privileges required Low

User interaction None

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

July 3, 2026 CVE published

July 3, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-55945 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/362.html AskarLabs — CWE-362 write-up Race Condition

Related vulnerabilities

Identifiers

CVE CVE-2026-55945

CWE CWE-362

CVSS 4.2 / MEDIUM

Affected versions