Critical CVSS 9.8 EPSS 0.00709 2025-04 archive

Executive Summary

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

Overview

9.8
CVSS CRITICAL
Critical
MS Severity
Not Exploited
MS Exploit Status
N/A
MS Exploit Likelihood
Category Elevation of Privilege
Released Apr 8 2025
Last Updated Apr 8 2025
Publicly Disclosed No
CISA KEV Not Listed
Known Exploits None Known
EPSS Score 0.00709 — 0.48603 percentile
NVD CVSS 9.8 CRITICAL — differs from MSRC

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
None
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
None
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 7.8

EPSS Score

0.00709
probability of exploitation in the next 30 days
0.48603 percentile - updated 2026-06-21
View on FIRST.org

Known Exploits

Acknowledgments

Anonymous