2026-42 - Oracle, Mozilla, Canonical, Red Hat, PHP, Cisco, Atlassian, Microsoft, Amazon 🗂️
Week 42, 2026
The known exploited vulnerabilities list contains vulnerabilities that are known to be actively exploited. They may not be new or recently discovered. Vulnerabilities listed here were added to this list in the past week.
Red Hat Hardened Images RPMs Security Update: RHSA-2026:88864 / RHSA-2026:88541 / RHSA-2026:88537 / RHSA-2026:88478 / RHSA-2026:88330 / RHSA-2026:87153 / RHSA-2026:87077 / RHSA-2026:87092 / RHSA-2026:87076 / RHSA-2026:87075 / RHSA-2026:87065 / RHSA-2026:87053 / RHSA-2026:87029 / RHSA-2026:87028 / RHSA-2026:87024 / RHSA-2026:87008 / RHSA-2026:86992 / RHSA-2026:86987 / RHSA-2026:86978 / RHSA-2026:86977 / RHSA-2026:86960 / RHSA-2026:86956 / RHSA-2026:86958 / RHSA-2026:86949 / RHSA-2026:86952 / RHSA-2026:86948 / RHSA-2026:86946 / RHSA-2026:86944 / RHSA-2026:86943 / RHSA-2026:86939 / RHSA-2026:86938 / RHSA-2026:86934 / RHSA-2026:86932 / RHSA-2026:86928 / RHSA-2026:86927 / RHSA-2026:86930 / RHSA-2026:86929 / RHSA-2026:86922 / RHSA-2026:86918 / RHSA-2026:86914 / RHSA-2026:86908 / RHSA-2026:86893 / RHSA-2026:86906 / RHSA-2026:86895 / RHSA-2026:86886 / RHSA-2026:86867 / RHSA-2026:86863 / RHSA-2026:86858 / RHSA-2026:86839 / RHSA-2026:86812 / RHSA-2026:86776 / RHSA-2026:86738 / RHSA-2026:86733 / RHSA-2026:86201 / RHSA-2026:86147 / RHSA-2026:85985 / RHSA-2026:85266 / RHSA-2026:84849 / RHSA-2026:84706 / RHSA-2026:84701 / RHSA-2026:84693 / RHSA-2026:84657
Critical: ca-certificates security update: RHSA-2026:88779 / RHSA-2026:88669 / RHSA-2026:88668 / RHSA-2026:88662 / RHSA-2026:88564 / RHSA-2026:88563 / RHSA-2026:88562 / RHSA-2026:88560 / RHSA-2026:88550 / RHSA-2026:88459 / RHSA-2026:88455
Important: php security update: RHSA-2026:88725 / RHSA-2026:88720 / RHSA-2026:88693 / RHSA-2026:88659 / RHSA-2026:88561 / RHSA-2026:87151
Important: kernel security update: RHSA-2026:88687 / RHSA-2026:88206 / RHSA-2026:87375 / RHSA-2026:87264 / RHSA-2026:87098 / RHSA-2026:87086 / RHSA-2026:86089 / RHSA-2026:85928 / RHSA-2026:85000 / RHSA-2026:84793 / RHSA-2026:84677
Important: php:7.4 security update: RHSA-2026:88565 / RHSA-2026:88532 / RHSA-2026:88533 / RHSA-2026:87080
Red Hat Hardened Images RPMs bug fix and enhancement update: RHSA-2026:87420 / RHSA-2026:87703 / RHSA-2026:86595 / RHSA-2026:87309 / RHSA-2026:85926 / RHSA-2026:85899 / RHSA-2026:86029 / RHSA-2026:85544 / RHSA-2026:83879 / RHSA-2026:85295 / RHSA-2026:83847 / RHSA-2026:84837 / RHSA-2026:84689 / RHSA-2026:84491
Important: grafana security update: RHSA-2026:88397 / RHSA-2026:88396 / RHSA-2026:88340 / RHSA-2026:88339 / RHSA-2026:88332 / RHSA-2026:88188 / RHSA-2026:87732
Important: grafana-pcp security update: RHSA-2026:88395 / RHSA-2026:88394 / RHSA-2026:88317 / RHSA-2026:88189 / RHSA-2026:87911 / RHSA-2026:86973 / RHSA-2026:86972
Important: go-toolset:rhel8 security, bug fix, and enhancement update: RHSA-2026:87246 / RHSA-2026:86203
Important: golang security, bug fix, and enhancement update: RHSA-2026:87043 / RHSA-2026:87042 / RHSA-2026:87041 / RHSA-2026:87040
Important: gvfs security update: RHSA-2026:86606 / RHSA-2026:85945 / RHSA-2026:85944 / RHSA-2026:85942 / RHSA-2026:85940 / RHSA-2026:85939
Important: bubblewrap security update: RHSA-2026:85325 / RHSA-2026:85324 / RHSA-2026:85313 / RHSA-2026:85312 / RHSA-2026:85309 / RHSA-2026:85308 / RHSA-2026:85306
Important: thunderbird security update: RHSA-2026:85244 / RHSA-2026:85243 / RHSA-2026:85242 / RHSA-2026:85241 / RHSA-2026:85240
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