Vulnerability · CVE-2025-49712
CVE-2025-49712 is listed by Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network..
Published Aug 12, 2025 · catalog updated Jun 17, 2026 · sharepoint server
Last checked Nov 2, 2026. A connected source was read within the last 7 days.
Check this week
CVE-2025-49712 is not in CISA KEV. FIRST estimates a 21.33% chance of exploitation in the next 30 days. Check whether you run sharepoint server.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2026-108452 · High
- CVE-2026-70259 · Medium
- CVE-2026-70267 · High
- CVE-2026-69943 · High
- CVE-2026-105719 · Medium
- Severity
- High8.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 21.33%
- Remediation
- Advisory link
- Affected products
- cpe microsoft/sharepoint server
CVE-2025-49712 is listed by Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network..
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe microsoft/sharepoint server2016
- cpe microsoft/sharepoint server2019
How to fix CVE-2025-49712
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
No version range is stored, so an installed version cannot be checked on this page.
Advisory
Open the inventory_critical record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-49712 is not in CISA KEV. FIRST estimates a 21.33% chance of exploitation in the next 30 days. Check whether you run sharepoint server.
Which versions are affected?
Compare what you have installed with microsoft/sharepoint server 2016; microsoft/sharepoint server 2019. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-502: Deserialization of Untrusted Data. EPSS 21.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Technology hubs
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Aug 12, 2025 · Monitored products — critical
Detected
CVE-2025-49712 is listed by Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network..
Jun 17, 2026 · Monitored products — critical
Updated
CVE-2025-49712 is listed by Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network..
Sources
- FIRST EPSSExploitation probabilityCVE-2025-49712
30-day exploitation probability 21.33%
first.org - Monitored products — criticalVendor advisoryCVE-2025-49712
Deserialization of untrusted data in Microsoft Office SharePoint allows an authorized attacker to execute code over a network.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSNov 2, 2026
- Monitored products — criticalNov 2, 2026