CVE-2025-29794: microsoft microsoft sharepoint enterprise server 2016 Improper Authorization
CVSS: 8.8v3.1HighAnalyzed
Published 08-04-2025Last modified 10-08-2026
Vulnerability summary
CVE-2025-29794 is a high (CVSS 8.8) Improper Authorization vulnerability in microsoft microsoft sharepoint enterprise server 2016. EPSS estimates a 4.76% chance of exploitation in the next 30 days, higher than 91.8% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
4.76%
0%100%
Low · -0.39 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 08-04-2025PublishedVulnerability first disclosed.
- 10-08-2026Last modifiedVulnerability information updated.
Description
Improper authorization in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
4.76%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
-0.39 pp
From 5.15% on 21-09-2026
21-09-202621-10-2026
EPSS score4.76%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft5 products
- microsoft sharepoint enterprise server 2016≥ 16.0.0, < 16.0.5495.1002
- microsoft sharepoint server 2019≥ 16.0.0, < 16.0.10417.20003
- microsoft sharepoint server subscription edition≥ 16.0.0, < 16.0.18526.20172
- sharepoint_enterprise_server2016
- sharepoint_server< 16.0.18526.20172 | 2019
1 vendor · 5 products
