Security Digest · Vulnerability record · Known exploited
CVE-2024-49035: Microsoft Partner Center Improper Access Control Vulnerability
Exploited in the wild (CISA KEV). An improper access control vulnerability in Partner.Microsoft.com allows an a unauthenticated attacker to elevate privileges over a network.
CISA KEV · added 2025-02-25 CVSS 8.7 High EPSS 1.3% · p70
Should you act?
Exploited: patch now if you run it
CISA has confirmed exploitation in the wild. This signal is computed from CISA KEV, EPSS and CVSS data; it is not an editorial verdict.
- 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.
CISA’s summary
Microsoft Partner Center contains an improper access control vulnerability that allows an attacker to escalate privileges.
Weakness type: CWE-269.
Product: Microsoft Partner Center · Assigned by: microsoft · Published: 2024-11-26
Affected and fixed versions
| Vendor | Product | Affected versions (per CVE record) |
|---|---|---|
| Microsoft | Microsoft Partner Center | N/A |
Severity scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| microsoft | 3.1 | 8.7 High | 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 |
- Attack vector: network (remotely reachable)
- Attack complexity: low
- Privileges required: low (any account)
- User interaction: required (a user must click/open something)
- Scope: changed (can affect other components)
CVSS measures how bad a flaw is if exploited, not how likely exploitation is. Read it next to the exploitation data below.
Exploitation and urgency
- 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.
Timeline
- — CVE record published by microsoft
- — Added to CISA’s Known Exploited Vulnerabilities catalog
- — CISA remediation deadline for US federal agencies
- — CVE record last updated
Sources and references
Original sources first. Version and fix details should always be confirmed against the vendor or project advisory.
Vendor and project advisories, patches
- Partner.Microsoft.Com Elevation of Privilege Vulnerability msrc.microsoft.com
Vulnerability records
- CVE.org record CVE-2024-49035 cve.org
- NVD entry CVE-2024-49035 nvd.nist.gov
Government
All exploited Microsoft vulnerabilities · Today’s Security Digest