CVE-2024-49035: Microsoft Partner Center Improper Access Control Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 25 Feb 2025, 91 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 1.3%
EPSS score, percentile 70.3 of all scored records
- How severe?
- 8.7 High
CVSS v3.1 base score, given by the CNA
- What should I do?
Required action (CISA), due 18 Mar 2025: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
- Which versions are affected?
Affected: unspecified
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
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 due date for this action: 18 March 2025.
Advisories and patches
Linked from CISA's catalog entry
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49035
- https://nvd.nist.gov/vuln/detail/CVE-2024-49035
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | unspecified |
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
Microsoft Partner Center contains an improper access control vulnerability that allows an attacker to escalate privileges.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2024-49035 to its Known Exploited Vulnerabilities (KEV) catalog on 25 Feb 2025.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 18 Mar 2025.
- The CVE record was published on 26 Nov 2024, 91 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 8.7 (High), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 1.3% (percentile 70.3), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable no, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
Partner.Microsoft.Com Elevation of Privilege Vulnerability
An improper access control vulnerability in Partner.Microsoft.com allows an a unauthenticated attacker to elevate privileges over a network.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-269: Improper Privilege Management
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 26 Nov 2024 | CVE record published |
| 25 Feb 2025 | Added to CISA KEV |
| 18 Mar 2025 | CISA due date for the required action |
| 21 Oct 2025 | CVE record last updated |
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