CVE-2026-11284

6.5MEDIUM

Key Information:

Vendor

Google
Status
Chrome
Vendor
CVE Published:
4 June 2026

What is CVE-2026-11284?

Side-channel information leakage in PerformanceAPIs in Google Chrome prior to 149.0.7827.53 allowed a remote attacker to leak cross-origin data via a crafted HTML page. (Chromium security severity: Low)

Affected Version(s)

Chrome 149.0.7827.53

References

https://chromereleases.googleblog.com/2026/06/stable-chan...
https://issues.chromium.org/issues/502073069

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.