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CVE-2025-30389

28
FAUCET Score

CVE-2025-30389 is a critical improper authorization vulnerability in the Microsoft Azure Bot Framework SDK. This flaw allows an unauthenticated attacker to achieve privilege escalation over a network. With a CVSS score of 9.8, it poses a severe risk, enabling full compromise of confidentiality, integrity, and availability. Despite its high severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:microsoft:azure_ai_bot_service:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.7HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
5.8
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.77%
Probability of exploitation in next 30 days
EPSS Percentile
52.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0077 is in the 35th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

microsoftvendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

microsoft2025-Apr/CVE-2025-30389Critical

Azure Bot Framework SDK Elevation of Privilege Vulnerability

Apr 8, 2025

References

msrc.microsoft.com / update-guide/vulnerability/CVE-2025-30389
Vendor Advisory