{"version":"https://jsonfeed.org/version/1.1","title":"Patchfirst: CVEs linked to T1548.002 Bypass User Account Control","home_page_url":"https://patchfirst.co/technique/T1548.002/","feed_url":"https://patchfirst.co/feed/technique/T1548.002.json","description":"New and newly exploited CVEs that lead to ATT&CK T1548.002 Bypass User Account Control, with CISA KEV and EPSS context. Newest 50 by publication or KEV listing.","language":"en-GB","items":[{"id":"CVE-2021-31207#kev","url":"https://patchfirst.co/cve/CVE-2021-31207/","title":"[KEV] CVE-2021-31207: Microsoft Exchange Server Security Feature Bypass Vulnerability","content_text":"Microsoft · Exchange Server. In CISA KEV since 2021-11-03, known ransomware use. ENISA EUVD lists it as exploited. EPSS 99.8% (higher than 99.95% of CVEs). CVSS 6.6 MEDIUM. Public exploit code exists. ATT&CK: T1548.002 Bypass User Account Control; T1565 Data Manipulation. Named in 9 threat reports. Priority 87.6 of 100.","summary":"Microsoft Exchange Server Security Feature Bypass Vulnerability","date_published":"2021-11-03T00:00:00.000Z","date_modified":"2026-06-17T03:51:27.000Z","tags":["kev","ransomware","public-exploit","T1548.002","T1565"],"_patchfirst":{"reason":"kev","priority":87.6,"kev":{"dateAdded":"2021-11-03","ransomware":true},"epss":{"score":0.99782,"percentile":0.99955},"cvss":{"score":6.6,"severity":"MEDIUM","version":"3.1"},"vendor":"Microsoft","product":"Exchange Server","techniqueIds":["T1548.002","T1565"],"reportCount":9,"hasPublicExploit":true,"euvdExploited":true}}]}