CVE-2026-45480
Azure Active Directory Elevation of Privilege Vulnerability
CVE-2026-45480 is a critical vulnerability (CVSS 10.0) in Microsoft Azure Active Directory, published June 19, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.90%, the 60th percentile. No source names a fixed version.
- Severity
- 10.0 CriticalCVSS 3.1, CVE List
- Exploit chance
- 0.90%EPSS, 60th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
Improper authentication in Azure Active Directory 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
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
CVE List Score used
Azure Active Directory Elevation of Privilege Vulnerability
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-45480- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Weakness
- CWE-287
- Updated
- 2026-11-11
EUVDEUVD-2026-38086
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- Record
EUVD-2026-38086- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C - Updated
- 2026-11-11
GitHub AdvisoriesGHSA-rfvj-frr3-5qvh
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate...
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- Record
GHSA-rfvj-frr3-5qvh- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
NVD
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
- Record
CVE-2026-45480- CVSS 3.1
- 10.0 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-287
- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | EUVD | |
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.