{"id":230375,"date":"2026-02-03T01:29:40","date_gmt":"2026-02-03T07:29:40","guid":{"rendered":"https:\/\/lifeboat.com\/blog\/2026\/02\/russian-hackers-exploit-recently-patched-microsoft-office-bug-in-attacks"},"modified":"2026-02-03T01:29:40","modified_gmt":"2026-02-03T07:29:40","slug":"russian-hackers-exploit-recently-patched-microsoft-office-bug-in-attacks","status":"publish","type":"post","link":"https:\/\/lifeboat.com\/blog\/2026\/02\/russian-hackers-exploit-recently-patched-microsoft-office-bug-in-attacks","title":{"rendered":"Russian hackers exploit recently patched Microsoft Office bug in attacks"},"content":{"rendered":"<p><a class=\"aligncenter blog-photo\" href=\"https:\/\/lifeboat.com\/blog.images\/russian-hackers-exploit-recently-patched-microsoft-office-bug-in-attacks.jpg\"><\/a><\/p>\n<p>Ukraine\u2019s Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026\u201321509, a recently patched vulnerability in multiple versions of Microsoft Office.<\/p>\n<p>On January 26, Microsoft released an emergency out-of-band security update marking CVE-2026\u201321509 as an actively exploited zero-day flaw.<\/p>\n<p>CERT-UA detected the distribution of malicious DOC files exploiting the flaw, themed around EU COREPER consultations in Ukraine, just three days after Microsoft\u2019s alert.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ukraine\u2019s Computer Emergency Response Team (CERT) says that Russian hackers are exploiting CVE-2026\u201321509, a recently patched vulnerability in multiple versions of Microsoft Office. On January 26, Microsoft released an emergency out-of-band security update marking CVE-2026\u201321509 as an actively exploited zero-day flaw. CERT-UA detected the distribution of malicious DOC files exploiting the flaw, themed around EU [\u2026]<\/p>\n","protected":false},"author":427,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1523,1492],"tags":[],"class_list":["post-230375","post","type-post","status-publish","format-standard","hentry","category-computing","category-security"],"_links":{"self":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230375","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=230375"}],"version-history":[{"count":0,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/posts\/230375\/revisions"}],"wp:attachment":[{"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/media?parent=230375"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/categories?post=230375"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lifeboat.com\/blog\/wp-json\/wp\/v2\/tags?post=230375"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}