{"id":229942,"date":"2026-01-28T01:20:06","date_gmt":"2026-01-28T07:20:06","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/01\/microsoft-office-zero-day-cve-2026-21509-emergency-patch-issued-for-active-exploitation"},"modified":"2026-01-28T01:20:06","modified_gmt":"2026-01-28T07:20:06","slug":"microsoft-office-zero-day-cve-2026-21509-emergency-patch-issued-for-active-exploitation","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/01\/microsoft-office-zero-day-cve-2026-21509-emergency-patch-issued-for-active-exploitation","title":{"rendered":"Microsoft Office Zero-Day (CVE-2026\u201321509) \u2014 Emergency Patch Issued for Active Exploitation"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/microsoft-office-zero-day-cve-2026-21509-emergency-patch-issued-for-active-exploitation.jpg\"><\/a><\/p>\n<p>Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026\u201321509, a security feature bypass flaw.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Microsoft released out-of-band patches for an actively exploited Microsoft Office zero-day, CVE-2026\u201321509, a security feature bypass flaw.<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1492],"tags":[],"class_list":["post-229942","post","type-post","status-publish","format-standard","hentry","category-security"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229942","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/users\/427"}],"replies":[{"embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/comments?post=229942"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/229942\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=229942"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=229942"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=229942"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}