CVE-2026-45480: Azure Active Directory Elevation of Privilege Vulnerability
Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CSIRTS triage
- What
- Improper authentication allows unauthorized privilege elevation over a network.
- Who is affected
- Users of Azure Active Directory.
- Urgency
- Remediation is critical due to the high severity and potential for exploitation.
- Action
- Apply the security update to Azure Active Directory.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch Azure Active Directory
Get an email when a new Azure Active Directory advisory drops — max one per day, one-click unsubscribe.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45480
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-454800.56% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 43% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-45480 | coverage & exploitation status | NVD · CVE.org |
More from Microsoft Security Response Center
- highCVE-2026-12064: proto-default skips SSH verification2026-07-02
- unknownCVE-2026-14125: Chromium: CVE-2026-14125 Uninitialized Use in ANGLE2026-07-02
- mediumCVE-2026-57987: Microsoft Edge (Chromium-based) Spoofing Vulnerability2026-07-02
- unknownCVE-2026-13775: Chromium: CVE-2026-13775 Use after free in GPU2026-07-02
- unknownCVE-2026-13779: Chromium: CVE-2026-13779 Use after free in Chromoting2026-07-02