<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:atom="http://www.w3.org/2005/Atom"><channel><title>Patchfirst: CVEs linked to T1553 Subvert Trust Controls</title><link>https://patchfirst.co/technique/T1553/</link><atom:link href="https://patchfirst.co/feed/technique/T1553.xml" rel="self" type="application/rss+xml"/><description>New and newly exploited CVEs that lead to ATT&amp;CK T1553 Subvert Trust Controls, with CISA KEV and EPSS context. Newest 50 by publication or KEV listing.</description><language>en-gb</language><ttl>360</ttl><lastBuildDate>Sat, 31 Oct 2026 05:11:25 GMT</lastBuildDate><item><title>[KEV] CVE-2026-21510: Microsoft Windows Shell Protection Mechanism Failure Vulnerability</title><link>https://patchfirst.co/cve/CVE-2026-21510/</link><guid isPermaLink="false">CVE-2026-21510#kev</guid><pubDate>Tue, 10 Feb 2026 00:00:00 GMT</pubDate><description>Microsoft · Windows. In CISA KEV since 2026-02-10. ENISA EUVD lists it as exploited. EPSS 61.2% (higher than 99.16% of CVEs). CVSS 8.8 HIGH. Public exploit code exists. ATT&amp;CK: T1211 Exploitation for Stealth; T1553 Subvert Trust Controls. Priority 74.0 of 100.</description><category>kev</category><category>public-exploit</category><category>T1211</category><category>T1553</category></item><item><title>[KEV] CVE-2026-21513: Microsoft MSHTML Framework Protection Mechanism Failure Vulnerability</title><link>https://patchfirst.co/cve/CVE-2026-21513/</link><guid isPermaLink="false">CVE-2026-21513#kev</guid><pubDate>Tue, 10 Feb 2026 00:00:00 GMT</pubDate><description>Microsoft · Windows. In CISA KEV since 2026-02-10. ENISA EUVD lists it as exploited. EPSS 15.9% (higher than 96.9% of CVEs). CVSS 8.8 HIGH. ATT&amp;CK: T1189 Drive-by Compromise; T1553 Subvert Trust Controls. Priority 68.5 of 100.</description><category>kev</category><category>T1189</category><category>T1553</category></item><item><title>[KEV] CVE-2020-1464: Microsoft Windows Spoofing Vulnerability</title><link>https://patchfirst.co/cve/CVE-2020-1464/</link><guid isPermaLink="false">CVE-2020-1464#kev</guid><pubDate>Wed, 03 Nov 2021 00:00:00 GMT</pubDate><description>Microsoft · Windows. In CISA KEV since 2021-11-03. ENISA EUVD lists it as exploited. EPSS 38.9% (higher than 98.6% of CVEs). CVSS 7.8 HIGH. Public exploit code exists. ATT&amp;CK: T1211 Exploitation for Stealth; T1553 Subvert Trust Controls. Priority 68.2 of 100.</description><category>kev</category><category>public-exploit</category><category>T1211</category><category>T1553</category></item><item><title>CVE-2019-3762: Data Protection Central versions 1.0, 1.0.1, 18.1, 18.2, and 19.1 contains an Improper Certificate Chain of Trust…</title><link>https://patchfirst.co/cve/CVE-2019-3762/</link><guid isPermaLink="false">CVE-2019-3762</guid><pubDate>Wed, 18 Mar 2020 00:00:00 GMT</pubDate><description>Dell · Data Protection Central. Not in CISA KEV. EPSS 0.6% (higher than 51% of CVEs). CVSS 7.5 HIGH. ATT&amp;CK: T1588.004 Digital Certificates; T1553 Subvert Trust Controls. Priority 15.5 of 100.</description><category>T1588.004</category><category>T1553</category></item></channel></rss>