{"id":10048,"date":"2026-01-22T07:04:10","date_gmt":"2026-01-22T07:04:10","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/01\/22\/cisco-fixes-actively-exploited-zero-day-html\/"},"modified":"2026-01-22T07:04:10","modified_gmt":"2026-01-22T07:04:10","slug":"cisco-fixes-actively-exploited-zero-day-html","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/01\/22\/cisco-fixes-actively-exploited-zero-day-html\/","title":{"rendered":"Cisco Fixes Actively Exploited Zero-Day CVE-2026-20045 in Unified CM and Webex"},"content":{"rendered":"<p>    Cisco Fixes Actively Exploited Zero-Day CVE-2026-20045 in Unified CM and Webex<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>Cisco has released fresh patches to address what it described as a &#8220;critical&#8221; security vulnerability impacting multiple Unified Communications (CM) products and Webex Calling Dedicated Instance that it has been actively exploited as a zero-day in the wild.<br \/>\nThe vulnerability, CVE-2026-20045 (CVSS score: 8.2), could permit an unauthenticated remote attacker to execute arbitrary commands on the<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><\/p>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/thehackernews.com\/2026\/01\/cisco-fixes-actively-exploited-zero-day.html\">Go to TheHackersNews<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cisco Fixes Actively Exploited Zero-Day CVE-2026-20045 in Unified CM and Webex Cisco has released fresh patches to address what it described as a &#8220;critical&#8221; security vulnerability impacting multiple Unified Communications (CM) products and Webex Calling Dedicated Instance that it has been actively exploited as a zero-day in the wild. The vulnerability, CVE-2026-20045 (CVSS score: 8.2), [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[76],"class_list":["post-10048","post","type-post","status-publish","format-standard","hentry","category-thehackersnews","tag-thehackersnews"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/10048"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=10048"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/10048\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=10048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=10048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=10048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}