CVE-2026-79143: Incorrect authorization in Google Chrome
Description
CVE-2026-79143 is a medium severity vulnerability in Google Chrome's FileSystem component prior to version 152.0.7977.65. It involves incorrect authorization that allows a remote attacker, using social engineering and a crafted HTML page, to bypass system access restrictions. The vulnerability does not impact confidentiality or availability but can lead to integrity issues. No known exploits are reported in the wild. The vulnerability is fixed starting with version 152.0.7977.65.
CVSS v3.1
Score 4.3medium
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in Google Chrome's FileSystem prior to 152.0.7977.65 allows a remote attacker to bypass system access restrictions by exploiting incorrect authorization controls. The attack requires user interaction (UI:R) and can be triggered via a crafted HTML page leveraging social engineering. The CVSS 3.1 base score is 4.3 (medium), with no impact on confidentiality or availability, but a low impact on integrity. The issue is tracked as CWE-863 (Incorrect Authorization).
Potential Impact
An attacker can bypass system access restrictions, potentially modifying or influencing system state without proper authorization. The vulnerability does not affect confidentiality or availability. Exploitation requires user interaction and social engineering. No known active exploits have been reported.
Mitigation Recommendations
A fix is available in Google Chrome version 152.0.7977.65. Users and administrators should update to this version or later to remediate the vulnerability. No additional mitigation is indicated by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-m39q-r48h-w52v
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-79143"]
- Database Specific Severity
- MODERATE
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a92f813acd9273b49e90e00
Added to database: 08/29/2026, 15:17:39 UTC
Last enriched: 09/18/2026, 02:00:23 UTC
Last updated: 10/11/2026, 18:48:22 UTC
Views: 26
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