CVE-2024-49147: Microsoft Update Catalog

Critical severity, CVSS 9.8. EPSS: 1.3% chance of exploitation in the next 30 days.

Deserialization of untrusted data in Microsoft Update Catalog allows an unauthorized attacker to elevate privileges on the website’s webserver.

Affected products

• Microsoft Update Catalog: affected versions not specified

Published 2024-12-12. Last modified 2026-06-17.