CVE-2024-52928

CRITICAL

Arc < 1.26.1 - Unauthenticated Permission Escalation via Site Settings Bypass

Title source: llm
STIX 2.1

Description

Arc before 1.26.1 on Windows has a bypass issue in the site settings that allows websites (with previously granted permissions) to add new permissions when the user clicks anywhere on the website.

References (2)

Core 2

Scores

CVSS v3 9.6
EPSS 0.0041
EPSS Percentile 32.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-284
Status published
Products (1)
thebrowser/arc < 1.26.1
Published Jun 26, 2025
Tracked Since Feb 18, 2026