---
title: "CVE-2024-49035: Microsoft Partner Center Improper Access Control Vulnerability"
url: https://erroneo.us/security/cve/CVE-2024-49035/
description: "CVE-2024-49035 (Microsoft Partner Center): Exploited in the wild (CISA KEV). An improper access control vulnerability in Partner.Microsoft.com allows an a…"
type: vulnerability-record
section: "Security Digest"
date_published: 2024-11-26
date_modified: 2025-10-21
publisher: erroneo.us
author: erroneo.us Security Desk
cve: "CVE-2024-49035"
kev: true
cvss: 8.7
epss: 0.013
license: All rights reserved. Quote with attribution and a link.
---

# CVE-2024-49035: Microsoft Partner Center Improper Access Control Vulnerability

**Signal:** Exploited: patch now if you run it. CISA has confirmed exploitation in the wild. (Computed from CISA KEV, EPSS and CVSS; not an editorial verdict.)

## Should you act?

- Yes, if you run Microsoft Partner Center. CISA added this CVE to its Known Exploited Vulnerabilities catalog on 2025-02-25, which means there is reliable evidence of exploitation in the wild. US federal agencies must remediate by 2025-03-18 ; treat that as the outer limit, not the target.
- EPSS 1.3% , percentile 70: FIRST’s model estimates a 1.3% chance of exploitation activity in the next 30 days, higher than 70% of all scored CVEs (moderate). EPSS is a probability, not a verdict.
- Needs an account (low (any account)). Exposure depends on who can log in.

## What it is

An improper access control vulnerability in Partner.Microsoft.com allows an a unauthenticated attacker to elevate privileges over a network.

## Affected products (CVE record)

- Microsoft Microsoft Partner Center: N/A

## Severity

- microsoft CVSS 3.1: 8.7 `CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N/E:U/RL:O/RC:C`

## Exploitation

- CISA KEV: added 2025-02-25; federal due date 2025-03-18. Known ransomware use: Unknown.
- CISA required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- CISA SSVC assessment: exploitation active , automatable no , technical impact total .
- FIRST EPSS (model of 2026-10-21): 1.30% probability of exploitation activity in the next 30 days; percentile 70.

## Sources

- [Partner.Microsoft.Com Elevation of Privilege Vulnerability](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49035)
- [CVE.org record CVE-2024-49035](https://www.cve.org/CVERecord?id=CVE-2024-49035)
- [NVD entry CVE-2024-49035](https://nvd.nist.gov/vuln/detail/CVE-2024-49035)
- [CISA Known Exploited Vulnerabilities catalog entry](https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-49035)

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Source page: https://erroneo.us/security/cve/CVE-2024-49035/ · Security Digest: https://erroneo.us/security/ · More: https://erroneo.us/llms.txt