CVE-2024-49035
Microsoft Partner Center Improper Access Control Vulnerability
Microsoft Partner Center
An improper access control vulnerability in Partner.Microsoft.com allows an a unauthenticated attacker to elevate privileges over a network.
Exploitation status
CISA Known Exploited Vulnerabilities
Listed by CISA on 25 February 2025. US federal agencies were required to remediate it by 18 March 2025.
EPSS — exploitation probability
FIRST puts the probability of exploitation activity in the next 30 days at 1.4%, which is higher than 72.3% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Frequently asked questions
Is CVE-2024-49035 being exploited by ransomware groups?
No ransomware group in this database is currently recorded as exploiting CVE-2024-49035.
What does CVE-2024-49035 affect?
CVE-2024-49035 affects Microsoft Partner Center. An improper access control vulnerability in Partner.Microsoft.com allows an a unauthenticated attacker to elevate privileges over a network.
How severe is CVE-2024-49035?
CVE-2024-49035 is rated HIGH with a CVSS base score of 8.7. EPSS puts the probability of exploitation in the next 30 days at 1.4%, higher than 72.3% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 18 March 2025.
How should organisations respond to CVE-2024-49035?
Apply the vendor patch for Microsoft Partner Center as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.