CISA Urges SharePoint Hardening After New Exploitations
2026-07-14T21:24:16Z•6e184b30339ecc64cdcf5d11ad790b1c1ee168e420b300111bb87f7f326556c7
ADFSAMSIAdobe ColdFusionCISACiscoIISKEVKnown Exploited VulnerabilitiesMicrosoftRemote Code ExecutionSharePointSonicWalldeserializationmalwarepatchingpersistence
What happened
CISA reports active exploitation of multiple Microsoft SharePoint Server vulnerabilities (affecting on‑premises Subscription Edition, 2019, and 2016) — notably CVE-2026-32201, CVE-2026-45659, and CVE-2026-56164 — enabling remote code execution and post‑exploitation actions (e.g., stealing IIS machine keys, deserialization-based attacks, persistence and malware deployment). CISA added numerous other vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog (including SonicWall SMA1000 issues, ADFS, Adobe ColdFusion, and legacy Cisco CVE-2008-4128) and identified additional SharePoint
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- cisa_ncas_current_activity
- Record identifier
- 6e184b30339ecc64cdcf5d11ad790b1c1ee168e420b300111bb87f7f326556c7
- Enrichment time
- 2026-07-14T21:24:16Z
- AI-assisted enrichment
- Yes
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