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EPSS 0.4%top 72%

Improper handling of case sensitivity in FileSystem in Google Chrome prior to 152.0.7977.65 allowed a remote attacker leveraging social engineering… (CVE-2026-78959)

0
Medium
Published: 08/25/2026 (08/25/2026, 21:31:34 UTC)
Source: GCVE Database

Description

Google Chrome versions prior to 152.0.7977.65 contain a vulnerability in the FileSystem component where improper handling of case sensitivity allows a remote attacker to bypass system access restrictions via a crafted HTML page. This vulnerability requires user interaction (UI:R) and has a moderate severity rating.

CVSS v3.1

Score 6.5medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

Affected software

Affected versions
=152.0.7977.65<152.0.7977.65

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/09/2026, 18:38:50 UTC

Technical Analysis

CVE-2026-78959 is a vulnerability in Google Chrome's FileSystem handling where case sensitivity is improperly managed. This flaw allows a remote attacker, through social engineering and a crafted HTML page, to bypass system access restrictions. The vulnerability affects versions prior to 152.0.7977.65. The CVSS 3.1 score is 6.5 (medium severity), with attack vector network, low attack complexity, no privileges required, user interaction required, unchanged scope, no confidentiality impact, high integrity impact, and no availability impact.

Potential Impact

An attacker can bypass system access restrictions, potentially modifying or injecting unauthorized content, impacting the integrity of the system. There is no confidentiality or availability impact reported. Exploitation requires user interaction and social engineering.

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 mitigations are specified.

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Technical Details

Gcve Source
db.gcve.eu
Osv Id
GHSA-35mw-8r7p-2p48
Osv Schema Version
1.4.0
Aliases
["CVE-2026-78959"]
Database Specific Severity
MODERATE
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6a92f814acd9273b49e90e36

Added to database: 08/29/2026, 15:17:40 UTC

Last enriched: 09/09/2026, 18:38:50 UTC

Last updated: 10/12/2026, 06:48:19 UTC

Views: 23

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