CVE-2026-24303
Microsoft Partner Center Elevation of Privilege Vulnerability
Improper certificate validation in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Microsoft Partner Center Elevation of Privilege Vulnerability
Improper certificate validation in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-24303- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C - Weakness
- CWE-284
- Updated
- 2026-11-02
EUVDEUVD-2026-25303
Improper certificate validation in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
- Record
EUVD-2026-25303- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-59wx-rpwf-57h6
Improper access control in Microsoft Partner Center allows an authorized attacker to elevate...
Improper access control in Microsoft Partner Center allows an authorized attacker to elevate privileges over a network.
- Record
GHSA-59wx-rpwf-57h6- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
NVD
Improper certificate validation in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-24303- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N - Weakness
- CWE-284
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-24303 is a critical vulnerability (CVSS 9.6) in Microsoft Partner Center, published April 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.39%, the 33rd percentile. No source names a fixed version.