CVE-2026-113289

Published Oct 20, 2026 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
Incorrect authorization in PerformanceAPIs in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4853-1 chromium security update
Debian DSA Debian DSA DSA-6577-1 chromium security update
History
Type Values Removed Values Added
Title Improper Validation of PerformanceAPIs Enables Remote Code Execution in Google Chrome
Type Values Removed Values Added
Weaknesses CWE-20
Type Values Removed Values Added
Description Improper input validation in PerformanceAPIs in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium) Incorrect authorization in PerformanceAPIs in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to obtain cross-origin data via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-863
Type Values Removed Values Added
Title Improper Validation of PerformanceAPIs Enables Remote Code Execution in Google Chrome
Type Values Removed Values Added
First Time appeared Google
Google chrome
CPEs cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper input validation in PerformanceAPIs in Google Chrome prior to 156.0.8078.47 allowed a remote attacker to potentially execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: Medium)
Weaknesses CWE-20
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Nov 3, 2026, 9:20 PM
Reserved
Oct 19, 2026, 11:15 PM
Status
Modified
Published
Oct 20, 2026, 10:19 PM
Modified
Nov 3, 2026, 10:19 PM