CVE-2025-29814
Published: 21 March 2025
Summary
CVE-2025-29814 is a critical-severity Improper Input Validation (CWE-20) vulnerability in Microsoft Partner Center. Its CVSS base score is 9.3 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked in the top 5.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
The strongest mitigations our analysis identified are NIST 800-53 AC-24 (Access Control Decisions) and AC-3 (Access Enforcement).
Deeper analysis
CVE-2025-29814 is an improper authorization vulnerability in Microsoft Partner Center. The flaw permits an attacker to bypass authorization checks within the affected service component.
An authorized attacker can exploit the issue remotely over a network to elevate privileges, achieving high impact on integrity and availability according to the CVSS 9.3 rating. The attack requires user interaction but no special preconditions beyond network reachability.
The official Microsoft Security Response Center advisory at https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29814 provides patch and mitigation guidance. EPSS for the CVE rose from a low baseline to a peak of 0.2254, indicating emerging exploitation interest after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2025-7178
Vulnerability details
Improper authorization in Microsoft Partner Center allows an authorized attacker to elevate privileges over a network.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
The CVE describes an improper authorization vulnerability in a network-accessible application that directly enables privilege escalation with high integrity/availability impact.
CVEs Like This One
Affected Assets
Mitigating Controls
Mitigating Controls (NIST 800-53 r5) AI
Enforces approved authorizations for access to system resources, directly mitigating improper authorization that enables privilege escalation.
Applies least privilege to restrict access to only necessary permissions, preventing escalation from initial authorized access.
Authorizes access to resources based on defined personnel or roles, addressing flaws in authorization decision-making.