What is CVE-2024-49052?

CVE-2024-49052 is a high-severity vulnerability in Microsoft Azure Functions, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2024-11-26.

How severe is CVE-2024-49052?

High severity. CVSS v3 base score is 8.2 out of 10.

Auth bypass in Microsoft Azure Functions

CVE-2024-49052

Missing authentication for critical function in Microsoft Azure PolicyWatch allows an unauthorized attacker to elevate privileges over a network.

Vulnerability class: Broken Authentication

Published 2024-11-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: -0.000

Affected products

Weakness classification (CWE)

CWE-306 — Missing Authentication for Critical Function

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49052 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2024-49052?: CVE-2024-49052 is a high-severity vulnerability in Microsoft Azure Functions, classified under Missing Authentication for Critical Function. CVSS score: 8.2/10. Published 2024-11-26.
How severe is CVE-2024-49052?: High severity. CVSS v3 base score is 8.2 out of 10.