CVE-2025-29793: microsoft microsoft sharepoint enterprise server 2016 Deserialization of Untrusted Data
CVSS: 7.2v3.1HighAnalyzed
Published 08-04-2025Last modified 10-08-2026
Vulnerability summary
CVE-2025-29793 is a high (CVSS 7.2) Deserialization of Untrusted Data vulnerability in microsoft microsoft sharepoint enterprise server 2016. EPSS estimates a 23.63% chance of exploitation in the next 30 days, higher than 97.8% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v3.1 (CVE.org)EPSS score
23.63%
0%100%
High · 0.00 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
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST7.2HighCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
23.63%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 23.63% on 21-09-2026
21-09-202621-10-2026
EPSS score23.63%
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
