CISA KEV catalog
Confirmed active exploitation.
Listed in CISA's catalog of Known Exploited Vulnerabilities: attackers are using it in real attacks. Patch it with priority.
- Name
- Microsoft .NET Framework, SharePoint, and Visual Studio Remote Code Execution Vulnerability
- Added to catalog
- Remediation due date (US federal)
- Required action
- Apply updates per vendor instructions.
Description
A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source markup of XML file input, aka '.NET Framework, SharePoint Server, and Visual Studio Remote Code Execution Vulnerability'.
Affected products
microsoft: .net core; microsoft: .net framework; microsoft: windows server 2008; microsoft: windows 8.1; microsoft: windows server 2012; microsoft: windows 10; microsoft: windows server 2016; microsoft: windows server 2019; microsoft: windows 7; microsoft: windows rt 8.1; microsoft: sharepoint enterprise server; microsoft: sharepoint server; microsoft: visual studio 2017; microsoft: visual studio 2019
References10
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-… PatchVendor Advisory
- packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTab… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/158876/Microsoft-SharePoint-Serve… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/163644/Microsoft-SharePoint-Serve… ExploitThird Party AdvisoryVDB Entry
- www.exploitalert.com/view-details.html?id=35992 ExploitThird Party Advisory
- packetstormsecurity.com/files/158694/SharePoint-DataSet-DataTab… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/158876/Microsoft-SharePoint-Serve… ExploitThird Party AdvisoryVDB Entry
- packetstormsecurity.com/files/163644/Microsoft-SharePoint-Serve… ExploitThird Party AdvisoryVDB Entry
- www.exploitalert.com/view-details.html?id=35992 ExploitThird Party Advisory
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 96% percentile: 100 · as of 2 November 2026