# CVE-2026-62874 — Microsoft Azure Billing

> As of 2026-10-08, CVE-2026-62874 is a CRITICAL-severity vulnerability in Microsoft Azure Billing, CVSS v3.1 10, EPSS 0.3% (23.6th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-62874, most recently “Microsoft September 2026 Cloud Disclosure: 18 Elevation-of-Privilege, Information-Disclosure, and Spoofing Flaws Across Azure and Copilot AI Products, Plus a Windows Secure Kernel EoP (CVE-2026-85921)”.

**Last updated:** 2026-10-08

## What is CVE-2026-62874?

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

The record classifies CVE-2026-62874 under weakness class [CWE-345](https://intel.threadlinqs.com/cwe/CWE-345). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 37 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 10 — CRITICAL (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:L/E:U/RL:O/RC:C`)
- **EPSS (FIRST):** 0.3% probability of exploitation in the next 30 days, higher than 23.6% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 5.9/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-09-17, last modified 2026-10-08

## Is CVE-2026-62874 being exploited?

It currently carries a trending score of 35 in the Threadlinqs vulnerability feed.

## Affected products and versions

- [Microsoft](https://intel.threadlinqs.com/vendors/microsoft): Azure Billing

## How to fix CVE-2026-62874

No vendor patch reference has been recorded for CVE-2026-62874 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-62874

1 tracked threat in the Threadlinqs corpus references CVE-2026-62874, either in the campaign’s CVE list or as an indicator on the campaign record.

- [Microsoft September 2026 Cloud Disclosure: 18 Elevation-of-Privilege, Information-Disclosure, and Spoofing Flaws Across Azure and Copilot AI Products, Plus a Windows Secure Kernel EoP (CVE-2026-85921)](https://intel.threadlinqs.com/threat/TL-2026-2563) — CRITICAL · 2026-09-18

## Sources

Enriched from CVE.org, FIRST EPSS. Last verified by Threadlinqs on 2026-10-10.

**Vendor advisory and patch**

- [msrc.microsoft.com — vendor advisory](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62874)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-62874
Full detection coverage and IOCs for threats exploiting CVE-2026-62874 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp