CVE-2026-50652
Azure Active Directory Denial of Service Vulnerability
CVE-2026-50652 is a high vulnerability (CVSS 7.5) in Microsoft Azure Active Directory, published July 14, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.73%, the 77th percentile. No source names a fixed version.
- Severity
- 7.5 HighCVSS 3.1, CVE List
- Exploit chance
- 1.73%EPSS, 77th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
Affected products
- microsoft azure active directory
- microsoft .net framework
- microsoft .net framework 3.5
- microsoft .net framework 3.5 and 4.7.2
- microsoft .net framework 3.5 and 4.8
- microsoft .net framework 3.5 and 4.8.1
- microsoft .net framework 4.6.2/4.7/4.7.1/4.7.2
- microsoft .net framework 4.8
- microsoft .net framework 4.8.1
What each source reports
CVE List Score used
Azure Active Directory Denial of Service Vulnerability
Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.
- Record
CVE-2026-50652- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Weakness
- CWE-502
- Updated
- 2026-11-10
EUVDEUVD-2026-43781
Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.
- Record
EUVD-2026-43781- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-79fq-78m6-5rrm
Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to...
Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.
- Record
GHSA-79fq-78m6-5rrm- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
NVD
Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.
- Record
CVE-2026-50652- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-502
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | CVE List | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.