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VulnerabilityhighExploited in the wild

CISA warns of active exploitation of Microsoft SharePoint vulnerability (CVE-2026-20963)

Help Net Securityby @zeljkazorz ()1 min read1
Analyze CVE-2026-20963 with Vani AIImpact, affected versions, exploitation, mitigations and detection

Vulnerabilities mentioned

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CVEVulnerabilityCVSSEPSSSignalsPublished
CVE-2026-20963
Deserialization RCE in Microsoft SharePoint Exploited in the Wild
9.829%KEV
KEV

From the original article

1 min read at helpnetsecurity.com

CVE-2026-20963, a remote code execution (RCE) SharePoint vulnerability Microsoft fixed in January 2026, is being exploited by attackers. The confirmation comes from the US Cybersecurity and Infrastructure Security Agency (CISA), which added the flaw to its Known Exploited Vulnerabilities (KEV) catalog on Wednesday.

Help Net Security

By @zeljkazorz · helpnetsecurity.com

Read the full article at Help Net Security

A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.