What is CVE-2024-52928?

CVE-2024-52928 is a critical-severity vulnerability in Microsoft Windows, classified under Improper Access Control. CVSS score: 9.6/10. Published 2025-06-26.

How severe is CVE-2024-52928?

Critical severity. CVSS v3 base score is 9.6 out of 10.

Vulnerability in Microsoft Windows

CVE-2024-52928

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.

EPSS: 0.004 (33.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:L.

Affected products

Microsoft Windows
Thebrowser Arc
N/a — versions n/a

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

cve@mitre.org (Product)
cve@mitre.org (Vendor Advisory)

Frequently asked questions

What is CVE-2024-52928?: CVE-2024-52928 is a critical-severity vulnerability in Microsoft Windows, classified under Improper Access Control. CVSS score: 9.6/10. Published 2025-06-26.
How severe is CVE-2024-52928?: Critical severity. CVSS v3 base score is 9.6 out of 10.