Microsoft Edge (Chromium-based)
CVE-2026-55945 — Microsoft Edge (Chromium-based) Information Disclosure Vulnerability
Executive Summary
Concurrent execution using shared resource with improper synchronization ('race condition') in Microsoft Edge (Chromium-based) allows an authorized attacker to disclose information locally.
Overview
4.2
CVSS MEDIUM
Moderate
MS Severity
Not Exploited
MS Exploit Status
Not Found
MS Exploit Likelihood
CVSS Vector
ATTACK VECTOR
Local
ATTACK COMPLEXITY
High
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Changed
CONFIDENTIALITY
Low
INTEGRITY
Low
AVAILABILITY
None
EXPLOIT CODE MATURITY
Unproven
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 3.7
EPSS Score
0.00145
probability of exploitation in the next 30 days
0.04124 percentile - updated 2026-07-14
View on FIRST.org
Affected Products
1 affected product
| Product | KB Article | Severity | Impact | Restart Required |
|---|---|---|---|---|
| Microsoft Edge (Chromium-based) | Release Notes (Security Update) |
Moderate | Information Disclosure | No |
Patches
1 patch
| Article | Type | Restart |
|---|---|---|
Release Notes |
Security Update | No |
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Gal Weizman ([email protected] / https://x.com/weizmangal)
References
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