THREATOPS

THREAT OPS › Threat News › CISA Adds One Known Exploited Vulnerability to Catalog

CISA Adds One Known Exploited Vulnerability to Catalog

medcisa_advisoriesPublished 2026-07-01

<p>CISA has added one new vulnerability to its <a href="https://www.cisa.gov/known-exploited-vulnerabilities-catalog">Known Exploited Vulnerabilities (KEV) Catalog</a>, based on evidence of active exploitation.</p> <ul> <li><a href="https://www.cve.org/CVERecord?id=CVE-2026-45659" target="_blank">CVE-2026-45659</a> Microsoft SharePoint Server Deserialization of Untrusted Data Vulnerability</li> </

MITRE ATT&CK techniques

SharepointT1213.002
VulnerabilitiesT1588.006

Indicators of compromise

CVE-2026-45659cve
https://www.cve.org/CVERecord?id=CVE-2026-45659url
https://cisasurvey.gov1.qualtrics.com/jfe/form/SV_1Zwu52kgK2OYf3wurl

Original source: https://www.cisa.gov/news-events/alerts/2026/07/01/cisa-adds-one-known-exploited-vulnerability-catalog