{"id":20366,"date":"2026-05-21T10:55:57","date_gmt":"2026-05-21T10:55:57","guid":{"rendered":"https:\/\/sekuritasit.com\/index.php\/2026\/05\/21\/microsoft-warns-of-two-actively-exploited-defender-vulnerabilities-infothehackernews-com-the-hacker-news\/"},"modified":"2026-05-21T10:55:57","modified_gmt":"2026-05-21T10:55:57","slug":"microsoft-warns-of-two-actively-exploited-defender-vulnerabilities-infothehackernews-com-the-hacker-news","status":"publish","type":"post","link":"https:\/\/sekuritasit.com\/index.php\/2026\/05\/21\/microsoft-warns-of-two-actively-exploited-defender-vulnerabilities-infothehackernews-com-the-hacker-news\/","title":{"rendered":"Microsoft Warns of Two Actively Exploited Defender Vulnerabilities info@thehackernews.com (The Hacker News)"},"content":{"rendered":"

Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild.<\/p>\n

The former, tracked as CVE-2026-41091, is rated 7.8 on the CVSS scoring system. Successful exploitation of the flaw could allow an attacker to gain SYSTEM privileges.<\/p>\n

“Improper link resolution before file access (‘link following’) in Microsoft DefenderRead More<\/a>\u00a0<\/p>","protected":false},"excerpt":{"rendered":"

Microsoft has disclosed that a privilege escalation and a denial-of-service flaw in Defender has come under active exploitation in the wild. The former, tracked as CVE-2026-41091, is rated 7.8 on the CVSS scoring system. Successful exploitation of the flaw could allow an attacker to gain SYSTEM privileges. “Improper link resolution before file access (‘link following’) […]<\/p>\n","protected":false},"author":1,"featured_media":20367,"comment_status":"","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-20366","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/posts\/20366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/comments?post=20366"}],"version-history":[{"count":0,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/posts\/20366\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/media\/20367"}],"wp:attachment":[{"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/media?parent=20366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/categories?post=20366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sekuritasit.com\/index.php\/wp-json\/wp\/v2\/tags?post=20366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}