CVE-2025-49704: Microsoft SharePoint Enterprise Server 2016 · Code Injection
Affects Microsoft SharePoint Enterprise Server 2016Source CVE Database V5
Exploited in the wild · used in ransomware campaigns · KEV due 23 Jul 2025 · public exploit available (Metasploit) · 99% EPSS · end of life, no fix coming : replace or isolate Microsoft SharePoint Enterprise Server 2016; no fix will be released.
Data as of 26 Oct 2026, 06:26 UTC
- KEV deadline
- US federal agencies must patch by this date; a sensible deadline for everyone else.
- Ransomware
- Used in ransomware campaigns
- EPSS
- 99.9% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- None coming – the product is end of life
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CExploitation evidence
t = 0 is the CVE’s publication on cve.org
Disclosed: evidence found.
CVE published 8 Jul 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: evidence found.
Exploited in the wildExploited: evidence found.
Listed in CISA KEV 14 days after disclosure
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
Timeline
CVE ID reserved
by microsoft
, 29 days before disclosure
CVE published
on cve.org
, t = 0
In Threat Radar
record ingested
, 12 minutes after disclosure
Added to CISA KEV (opens in a new tab)
exploitation confirmed · ransomware use known
, 14 days after disclosure
KEV remediation due
US federal deadline
, 15 days after disclosure
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.
What to do
No fix will be released: Microsoft SharePoint Enterprise Server 2016 is end of life. Replace it, or isolate it from untrusted networks until you can.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Microsoft Microsoft SharePoint Enterprise Server 2016 | Affected
| Fixed in– |
Description
CVE-2025-49704 is a high severity code injection vulnerability in Microsoft SharePoint Enterprise Server 2016 version 16.0.0. It allows an authorized attacker to execute arbitrary code remotely over the network without user interaction. This vulnerability has known exploits in the wild and has been used in ransomware campaigns.
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-49704 (opens in a new tab)
- microsoft.com/en-us/security/blog/2025/07/22/disrupting-active-exploitation-of-on-premises-sharepoint-vulnerabilities/ (opens in a new tab)
- cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-49704 (opens in a new tab)