Azure AI Bot Elevation of Privilege Vulnerability

published 2025-04-30 18 mo ago modified 2026-08-10 2 mo ago also EUVD-2025-12760

cvss: 9.8; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 1.1%; EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits: 0; none known

Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.

Patch / fix

links 1

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-30392 advisory

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: total
Assessed: 18 mo ago (2025-05-02)

Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CNA	3.1	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

Microsoft Azure AI Bot Service

Classification

Weakness

CWE-285 Improper Authorization

References

msrc.microsoft.com /update-guide/vulnerability/CVE-2025-30392
vendor-advisory, patch

Sources

CVE List CVE-2025-30392
NVD CVE-2025-30392

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary