Exhibit A(I): CISA warns of active exploitation of Microsoft SharePoint vulnerability (CVE-2026-20963)
The Cybersecurity and Infrastructure Security Agency (CISA) has warned organizations about the active exploitation of a critical vulnerability in
The Cybersecurity and Infrastructure Security Agency (CISA) has warned organizations about the active exploitation of a critical vulnerability in Microsoft SharePoint, designated CVE-2026-20963. This remote code execution (RCE) flaw was patched in January 2026, but attackers are exploiting it swiftly.
What to do this week
- Ensure that your SharePoint installations are updated to the latest version.
- Verify that your cybersecurity protocols are robust enough to handle potential attacks related to this vulnerability.
- Increase awareness among your teams about phishing attempts that may arise following this warning.