What is CVE-2026-62874?

CVE-2026-62874 is a critical-severity vulnerability in Microsoft Azure Billing, classified under Insufficient Verification of Data Authenticity. CVSS score: 10.0/10. Published 2026-09-18.

How severe is CVE-2026-62874?

Critical severity. CVSS v3 base score is 10.0 out of 10.

Vulnerability in Microsoft Azure Billing

CVE-2026-62874

Insufficient verification of data authenticity in Azure Billing allows an unauthorized attacker to elevate privileges over a network.

Published 2026-09-18 · last modified 2026-10-07.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L.

EPSS exploit prediction

EPSS: 0.003 (25.6th percentile), scored 2026-11-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.003 · change: -0.001

Affected products

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

Azure Billing Elevation of Privilege Vulnerability (vendor-advisory, Patch, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-62874?: CVE-2026-62874 is a critical-severity vulnerability in Microsoft Azure Billing, classified under Insufficient Verification of Data Authenticity. CVSS score: 10.0/10. Published 2026-09-18.
How severe is CVE-2026-62874?: Critical severity. CVSS v3 base score is 10.0 out of 10.