U.S. CISA adds a Microsoft SharePoint Server flaw to its Known Exploited Vulnerabilities catalog
ID: a13242fb-3b6c-52eb-b747-a9c73d4dbbf4
STIX ID: report--a13242fb-3b6c-52eb-b747-a9c73d4dbbf4
Feed Name: Security Affairs
Threat Score
CISA added Microsoft SharePoint Server vulnerability CVE-2026-45659 (CVSS 8.8) to its Known Exploited Vulnerabilities catalog; the flaw allows remote code execution through deserialization of untrusted data with only low-privilege authenticated access, Microsoft released patches for affected SharePoint versions, and CISA has ordered federal agencies to apply mitigations promptly.
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