Content Modification: Updates for KEV Content published 2026-08-17

Total New Fixlets: 0
Total Updated Fixlets: 20
Total Fixlets in Site: 3518
Total CVEs Covered: 1061
Release Date: 2026-08-17

New Fixlets:
No New Fixlets in this release

Updated Fixlets:
42720 Microsoft Windows Protection Mechanism Failure Vulnerability - Windows Server 2012 R2
42700 Microsoft Windows Protection Mechanism Failure Vulnerability - Windows Server 2012
26880 Google Chromium WebP Heap-Based Buffer Overflow Vulnerability - Any Version of Windows
16390 Mozilla Firefox And Thunderbird Use-After-Free Vulnerability - Any Version of Windows
25350 Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability - Any Version of Windows
16270 Mozilla Firefox and Thunderbird Type Confusion Vulnerability - Any Version of Windows
15890 Mozilla Firefox Information Disclosure Vulnerability - Any Version of Windows
15510 Mozilla Firefox Use-After-Free Vulnerability - Any Version of Windows
42520 Microsoft Windows Protection Mechanism Failure Vulnerability - Windows Server 2016
42540 Microsoft Windows Protection Mechanism Failure Vulnerability - Windows Server 2019
33840 Mozilla Firefox Use-After-Free Vulnerability - Any Version of Windows
15410 Mozilla Firefox and Thunderbird Type Confusion Vulnerability - Any Version of Windows
26930 Google Chromium libvpx Heap Buffer Overflow Vulnerability - Any Version of Windows
42550 Microsoft Windows Protection Mechanism Failure Vulnerability - Windows 10
42560 Microsoft Windows Protection Mechanism Failure Vulnerability - Windows Server 2022
39490 Mozilla Multiple Products Remote Code Execution Vulnerability - Any Version of Windows
16200 Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability - Any Version of Windows
42570 Microsoft Windows Protection Mechanism Failure Vulnerability - Windows 11
15820 Mozilla Firefox and Thunderbird Denial-of-Service Vulnerability - Any Version of Windows
42580 Microsoft Windows Protection Mechanism Failure Vulnerability - Windows Server 2025
15980 Mozilla Firefox And Thunderbird Use-After-Free Vulnerability - Any Version of Windows
16890 Mozilla Firefox Use-After-Free Vulnerability - Any Version of Windows