How severe is CVE-2025-29976?

CVE-2025-29976 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-29976 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-29976?

CVE-2025-29976 primarily affects Microsoft Sharepoint Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-29976?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-29976 have an EU (EUVD) identifier?

Yes. CVE-2025-29976 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14463.

When was CVE-2025-29976 published?

CVE-2025-29976 was published on 2025-05-13 and last updated on 2026-06-17.

CVE-2025-29976

CVE-2025-29976 is a high-severity vulnerability in Microsoft Sharepoint Server with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-269.

Key facts

Severity: High (CVSS 3.x base score 7.8)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-14463
Weakness: CWE-269
Affected product: Microsoft Sharepoint Server
Published: 2025-05-13
Last modified: 2026-06-17

Description

Improper privilege management in Microsoft Office SharePoint allows an authorized attacker to elevate privileges locally.

Frequently asked questions

What is CVE-2025-29976?: Improper privilege management in Microsoft Office SharePoint allows an authorized attacker to elevate privileges locally.
How severe is CVE-2025-29976?: CVE-2025-29976 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-29976 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-29976?: CVE-2025-29976 primarily affects Microsoft Sharepoint Server. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-29976?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-29976 have an EU (EUVD) identifier?: Yes. CVE-2025-29976 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-14463.
When was CVE-2025-29976 published?: CVE-2025-29976 was published on 2025-05-13 and last updated on 2026-06-17.

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-29976

Affected products (3)

cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*
cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*

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