What’s Vulnerable › Vulnerabilities

CVE-2025-33074: Azure Functions Remote Code Execution Vulnerability

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-30 · updated 2026-08-10
• Weakness: CWE-347

Description

Improper verification of cryptographic signature in Microsoft Azure Functions allows an authorized attacker to execute code over a network.

Affected products

• Microsoft Azure Functions: all versions
• Microsoft Azure Functions: all versions

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-33074

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