CVE-2025-62204: microsoft microsoft sharepoint enterprise server 2016 Deserialization of Untrusted Data
CVSS: 8.0v3.1HighAnalyzed
Published 11-11-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-62204 is a high (CVSS 8.0) Deserialization of Untrusted Data vulnerability in microsoft microsoft sharepoint enterprise server 2016. EPSS estimates a 2.21% chance of exploitation in the next 30 days, higher than 82.3% of scored vulnerabilities.
CVSS score
8.0/10
010
High · v3.1 (CVE.org)EPSS score
2.21%
0%100%
Low · +0.15 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-11-2025PublishedVulnerability first disclosed.
- 26-02-2026Last 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 8.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CSourcesAll 2 agree
- NVDNIST8.0HighCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
2.21%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
+0.15 pp
From 2.06% on 20-09-2026
20-09-202620-10-2026
EPSS score2.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft4 products
- microsoft sharepoint enterprise server 2016≥ 16.0.0, < 16.0.5526.1001
- microsoft sharepoint server 2019≥ 16.0.0, < 16.0.10417.20068
- microsoft sharepoint server subscription edition≥ 16.0.0, < 16.0.19127.20338
- sharepoint_server< 16.0.19127.20338 | 2016 | 2019
1 vendor · 4 products