Microsoft Azure Functions
CVE-2025-33074 — Azure Functions Remote Code Execution Vulnerability
Executive Summary
Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.
Overview
8.8
CVSS HIGH
Critical
MS Severity
Not Exploited
MS Exploit Status
Not Found
MS Exploit Likelihood
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
ATTACK VECTOR
Network
ATTACK COMPLEXITY
Low
PRIVILEGES REQUIRED
Low
USER INTERACTION
None
SCOPE
Unchanged
CONFIDENTIALITY
High
INTEGRITY
High
AVAILABILITY
High
EXPLOIT CODE MATURITY
Proof-of-Concept
REMEDIATION LEVEL
Official Fix
REPORT CONFIDENCE
Confirmed
Temporal Score: 6.7
EPSS Score
0.00459
probability of exploitation in the next 30 days
0.36278 percentile - updated 2026-06-21
View on FIRST.org
Known Exploits
No known exploits have been linked for this CVE yet. When available, exploit references will be sourced from public repositories and may be unverified, incomplete, or non-functional. Always review code carefully before use in any environment.
Acknowledgments
Nick Wojciechowski
References
On This Page