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Brief status
Corroborated brief
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Forensia structured brief
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Finding
indicator:219535:descriptionCISA KEV describes CVE-2026-50522 as: Microsoft SharePoint contains a deserialization of untrusted data vulnerability which could allow an unauthorized attacker to execute code over a network.
Impact
indicator:219535:cvsscisa-kev:CVE-2026-50522NVD assigns CVE-2026-50522 a CVSS base score of 9.8. CISA lists CVE-2026-50522 in the Known Exploited Vulnerabilities catalog.
Scope
indicator:219535:productsThe structured record identifies affected product references for CVE-2026-50522: SharePoint, cpe:2.3:a:microsoft:sharepoint_server:*:*:*:*:subscription:*:*:*, cpe:2.3:a:microsoft:sharepoint_server:2016:*:*:*:enterprise:*:*:*, cpe:2.3:a:microsoft:sharepoint_server:2019:*:*:*:*:*:*:*.
Action
cisa-kev:CVE-2026-50522:required_actionApply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
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evidence set
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rights & provenance
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