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Archive · Firefox

Release — Firefox · 2026-10-27

166 CVEs in this release · 157 mapped · 9 embargoed · original advisory ↗

CVEs 166

CVE Component Class Severity ITW Fix RCA
CVE-2026-117860 DOM Logic Error High — ● —
CVE-2026-117861 DOM Logic Error High — ● —
CVE-2026-117862 Networking Logic Error High — ● —
CVE-2026-117863 Core Logic Error High — — —
CVE-2026-117864 Toolkit Logic Error High — ● —
CVE-2026-117865 SpiderMonkey UAF High — ● ✓
CVE-2026-117866 Graphics Logic Error High — ● —
CVE-2026-117867 Layout Logic Error High — ● —
CVE-2026-117868 DOM Logic Error High — ● —
CVE-2026-117869 DOM Logic Error High — ● —
CVE-2026-117870 SpiderMonkey UAF High — ● ✓
CVE-2026-117871 Graphics OOB High — ● ✓
CVE-2026-117872 SpiderMonkey UAF High — ● ✓
CVE-2026-117873 DOM Logic Error High — ● —
CVE-2026-117874 DOM Logic Error High — ● —
CVE-2026-117875 Layout Logic Error High — ● —
CVE-2026-117876 Graphics Logic Error High — ● —
CVE-2026-117877 DOM Logic Error High — ● —
CVE-2026-117878 DOM Logic Error High — ● —
CVE-2026-117879 Layout Logic Error High — ● —
CVE-2026-117880 DOM Logic Error High — ● —
CVE-2026-117881 DOM Logic Error High — ● —
CVE-2026-117882 Layout Logic Error High — ● —
CVE-2026-117883 DOM Logic Error High — ● —
CVE-2026-117884 DOM Logic Error High — ● —
CVE-2026-117885 Layout Logic Error High — ● —
CVE-2026-117886 Graphics Logic Error High — ● —
CVE-2026-117887 DOM Logic Error High — ● —
CVE-2026-117888 DOM Logic Error High — ● —
CVE-2026-117889 SpiderMonkey OOB High — ● ✓
CVE-2026-117890 SpiderMonkey Logic Error High — ● —
CVE-2026-117891 SpiderMonkey Logic Error High — ● —
CVE-2026-117892 DOM Logic Error High — ● —
CVE-2026-117893 Security/NSS Logic Error High — ● —
CVE-2026-117894 DOM Logic Error High — ● —
CVE-2026-117895 DOM Logic Error High — ● —
CVE-2026-117896 DOM Logic Error High — ● —
CVE-2026-117897 Layout Logic Error High — ● —
CVE-2026-117898 SpiderMonkey Logic Error High — ● —
CVE-2026-117899 Networking Logic Error High — ● —
CVE-2026-117900 Core Logic Error High — ● —
CVE-2026-117901 DOM Logic Error High — ● —
CVE-2026-117902 Graphics Logic Error High — ● —
CVE-2026-117903 DOM Logic Error High — ● —
CVE-2026-117904 Core Logic Error High — ● —
CVE-2026-117905 DOM Logic Error High — ● —
CVE-2026-117906 Layout Logic Error High — ● —
CVE-2026-117907 Networking Logic Error High — ● —
CVE-2026-117908 ImageLib Logic Error High — ● —
CVE-2026-117909 SpiderMonkey UAF High — ● ✓
CVE-2026-117910 SpiderMonkey UAF High — ● ✓
CVE-2026-117911 DOM Logic Error High — ● —
CVE-2026-117912 Layout Logic Error High — ● —
CVE-2026-117913 Layout Logic Error High — ● —
CVE-2026-117914 DOM Logic Error High — ● —
CVE-2026-117915 Layout Logic Error High — ● —
CVE-2026-117916 DOM Logic Error High — ● —
CVE-2026-117917 Graphics UAF High — ● ✓
CVE-2026-117918 DOM Logic Error High — ● —
CVE-2026-117919 DOM Logic Error High — ● —
CVE-2026-117920 DOM Logic Error High — ● —
CVE-2026-117921 DOM Logic Error High — ● —
CVE-2026-117922 Networking Logic Error High — ● —
CVE-2026-117923 DOM Logic Error High — ● —
CVE-2026-117924 DOM Logic Error High — ● —
CVE-2026-117925 DOM Logic Error High — ● —
CVE-2026-117926 Layout Logic Error High — ● —
CVE-2026-117927 ImageLib Logic Error High — ● —
CVE-2026-117928 Layout Logic Error High — ● —
CVE-2026-117929 DOM UAF High — ● ✓
CVE-2026-117930 DOM Logic Error High — ● —
CVE-2026-117931 DOM Logic Error High — ● —
CVE-2026-117932 Core Logic Error High — — —
CVE-2026-117933 Core Logic Error High — — —
CVE-2026-117934 Layout Logic Error High — ● —
CVE-2026-117935 DOM Logic Error High — ● —
CVE-2026-117936 DOM UAF High — ● ✓
CVE-2026-117937 SpiderMonkey Uninitialized Memory High — ● ✓
CVE-2026-117938 Layout Logic Error High — ● —
CVE-2026-117939 DOM Logic Error High — ● —
CVE-2026-117940 Core Logic Error High — — —
CVE-2026-117941 Layout Logic Error High — ● —
CVE-2026-117942 SpiderMonkey Logic Error High — ● —
CVE-2026-117943 DOM Logic Error High — ● —
CVE-2026-117944 Layout Logic Error High — ● —
CVE-2026-117945 Core Logic Error High — — —
CVE-2026-117946 SpiderMonkey Logic Error High — ● —
CVE-2026-117947 Core Logic Error High — — —
CVE-2026-117948 DOM Logic Error High — ● —
CVE-2026-117949 DOM Logic Error High — ● —
CVE-2026-117950 DOM Logic Error High — ● —
CVE-2026-117951 DOM Logic Error High — ● —
CVE-2026-117952 Networking Logic Error High — ● —
CVE-2026-117953 Core Logic Error High — — —
CVE-2026-117954 Layout Logic Error High — ● —
CVE-2026-117955 Core Logic Error Moderate — — —
CVE-2026-117956 DOM Logic Error Moderate — ● —
CVE-2026-117957 DOM Logic Error Moderate — ● —
CVE-2026-117958 Networking Logic Error Moderate — ● —
CVE-2026-117959 DOM Logic Error Moderate — ● —
CVE-2026-117960 Core Spoofing Moderate — ● ✓
CVE-2026-117961 Layout OOB Moderate — ● ✓
CVE-2026-117962 DOM Race Moderate — ● ✓
CVE-2026-117963 DOM Race Moderate — ● ✓
CVE-2026-117964 Layout UAF Moderate — ● ✓
CVE-2026-117965 Core Cross Origin Moderate — ● ✓
CVE-2026-117966 Networking Logic Error Moderate — ● —
CVE-2026-117967 DOM Policy Bypass Moderate — ● ✓
CVE-2026-117968 DOM UAF Moderate — ● ✓
CVE-2026-117969 SpiderMonkey Type Confusion Moderate — ● ✓
CVE-2026-117970 Core Race Moderate — ● ✓
CVE-2026-117971 Core UAF Moderate — ● ✓
CVE-2026-117972 Graphics UAF Moderate — ● ✓
CVE-2026-117973 Networking UAF Moderate — ● ✓
CVE-2026-117974 DOM UAF Moderate — ● ✓
CVE-2026-117975 Graphics Logic Error Moderate — ● ✓
CVE-2026-117976 Core Authorization Error Moderate — ● ✓
CVE-2026-117977 Core Input Validation Moderate — ● ✓
CVE-2026-117978 Graphics Type Confusion Moderate — ● ✓
CVE-2026-117979 Graphics OOB Moderate — ● ✓
CVE-2026-117980 Graphics UAF Moderate — ● ✓
CVE-2026-117981 Toolkit Input Validation Moderate — ● ✓
CVE-2026-117982 SpiderMonkey Logic Error Moderate — ● ✓
CVE-2026-117983 Graphics UAF Moderate — ● ✓
CVE-2026-117984 Layout Type Confusion Moderate — ● ✓
CVE-2026-117985 Graphics UAF Moderate — ● ✓
CVE-2026-117986 Graphics UAF Moderate — ● ✓
CVE-2026-117987 Graphics UAF Moderate — ● ✓
CVE-2026-117988 DOM Input Validation Moderate — ● ✓
CVE-2026-117989 Graphics UAF Moderate — ● ✓
CVE-2026-117990 Graphics OOB Moderate — ● ✓
CVE-2026-117991 Layout Logic Error Moderate — ● ✓
CVE-2026-117992 DOM Policy Bypass Moderate — ● ✓
CVE-2026-117993 Graphics Integer Overflow Moderate — ● ✓
CVE-2026-117994 SpiderMonkey UAF Moderate — ● ✓
CVE-2026-117995 DOM Input Validation Moderate — ● ✓
CVE-2026-117996 Core Logic Error Moderate — ● —
CVE-2026-117997 Graphics UAF Moderate — ● ✓
CVE-2026-117998 Core Logic Error Low — ● —
CVE-2026-117999 Core Race Low — ● ✓
CVE-2026-118000 Networking Policy Bypass Low — ● ✓
CVE-2026-118002 Networking Race Low — ● ✓
CVE-2026-118003 Networking Policy Bypass Low — ● ✓
CVE-2026-118004 Layout Logic Error Low — ● —
CVE-2026-118005 DOM Logic Error High — ● —
CVE-2026-118006 DOM Logic Error High — ● —
CVE-2026-118007 SpiderMonkey Logic Error High — ● —
CVE-2026-118008 Toolkit Logic Error High — ● —
CVE-2026-118009 Core Logic Error High — ● —
CVE-2026-118010 Core Logic Error High — ● —
CVE-2026-118011 Core Logic Error High — ● —
CVE-2026-118012 DOM Logic Error High — ● —
CVE-2026-118013 Layout Logic Error High — ● —
CVE-2026-118014 SpiderMonkey Logic Error High — ● —
CVE-2026-118015 DOM Logic Error High — ● —
CVE-2026-118016 DOM Logic Error High — ● —
CVE-2026-118017 Core Logic Error High — — —
CVE-2026-118018 Core Logic Error Moderate — ● —
CVE-2026-118019 DOM Logic Error Moderate — ● —
CVE-2026-118020 Layout UAF Moderate — ● ✓
CVE-2026-118021 Core UAF Moderate — ● ✓
CVE-2026-118022 Core Logic Error Moderate — ● —
CVE-2026-118023 Graphics Type Confusion Moderate — ● ✓
CVE-2026-118024 Graphics UAF Moderate — ● ✓
CVE-2026-118025 DOM Logic Error Moderate — ● ✓
CVE-2026-118026 SpiderMonkey Logic Error Low — ● ✓