cisa-kev

A perfect-score authentication bypass in SimpleHelp's OIDC login is being exploited in the wild to deploy TaskWeaver and Djinn Stealer, prompting CISA to give federal agencies until July 2 to patch.

A deserialization flaw in on-premises SharePoint, patched in May, is now confirmed under active exploitation, with a July 4 federal deadline.

An unauthenticated RCE in the JCE extension, scored CVSS 4.0 10.0, is being exploited to plant web shells. CISA set a June 19 federal deadline.

CVE-2026-35273, a CVSS 9.8 missing-authentication flaw in Oracle PeopleSoft PeopleTools, was exploited as a zero-day by UNC6240 before Oracle shipped mitigations and CISA set a June 15 federal deadline.

CISA added the 2022 Linux kernel cgroups release_agent flaw CVE-2022-0492 to its KEV catalog on June 2, 2026, with a June 5 federal patch deadline.

Microsoft has disclosed an actively exploited cross-site scripting flaw in on-premises Exchange Server's Outlook Web Access. No patch has shipped; CISA gave federal agencies until May 29 to apply mitigations.

A second authentication bypass in the same vdaemon stack as February's CVE-2026-20127 carries a CVSS 10.0 and is being exploited by the same UAT-8616 cluster, Cisco and Talos disclosed on May 14.

Ivanti disclosed an actively exploited authenticated RCE in Endpoint Manager Mobile alongside four other high-severity flaws. CISA added it to KEV on May 7 with a May 10 federal patch deadline.

Palo Alto Networks disclosed CVE-2026-0300, a critical buffer overflow in PAN-OS that grants unauthenticated root code execution and has been exploited in the wild since April 9. CISA added it to KEV on May 6 with a May 9 federal deadline; first fixes ship May 13.