CVE-2024-49147 CRITICAL

CVE-2024-49147: Microsoft Update Catalog Elevation of Privilege Vulnerability

Vendor Microsoft
Product Microsoft Update Catalog
Weakness CWE-502 · Unsafe deserialization
Published December 12, 2024
Last update June 9, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N/E:P/RL:O/RC:C

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

December 12, 2024 CVE published
June 9, 2026 Record updated