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CVE-2024-38094: Microsoft SharePoint Deserialization Vulnerability

criticalknown exploitedCVE-2024-38094
Actively exploited. At least one CVE in this advisory is listed in the CISA Known Exploited Vulnerabilities catalog — exploitation has been observed in the wild. Treat remediation as urgent.
Microsoft SharePoint contains a deserialization vulnerability that allows for remote code execution.

CSIRTS triage

vendor: Microsoftproduct: SharePointRemote code executionUnsafe deserialization
What
A deserialization vulnerability allows for remote code execution.
Who is affected
Deployments of Microsoft SharePoint are affected.
Urgency
Remediation is urgent due to active exploitation and critical severity.
Action
Apply the latest security updates for SharePoint.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CISA Known Exploited Vulnerabilities (US · database · site)
Severity
critical
Published
2024-10-22
Exploitation
Observed in the wild (CISA KEV)

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2024-38094

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2024-38094coverage & exploitation statusNVD · CVE.org

Recent advisories for Microsoft SharePoint Deserialization

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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