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Cisco IOS XR Software — CVEs & Known Exploited Vulnerabilities · Firetruck
KEV only
CVE-2026-76505
PUBLISHED · updated Oct 22, 2026
CVE-2026-20280
PUBLISHED · updated Sep 18, 2026
CVE-2026-20276
PUBLISHED · updated Sep 18, 2026
CVE-2026-20277
PUBLISHED · updated Sep 18, 2026
CVE-2026-20279
PUBLISHED · updated Sep 18, 2026
CVE-2026-20278
PUBLISHED · updated Sep 18, 2026
CVE-2026-20274
PUBLISHED · updated Sep 18, 2026
CVE-2026-20275
PUBLISHED · updated Sep 18, 2026
CVE-2026-20046
PUBLISHED · updated Mar 12, 2026
CVE-2026-20040
PUBLISHED · updated Mar 12, 2026
CVE-2026-20074
PUBLISHED · updated Mar 11, 2026
CVE-2026-20118
PUBLISHED · updated Mar 11, 2026
CVE-2025-20138
PUBLISHED · updated Feb 26, 2026
CVE-2025-20143
PUBLISHED · updated Feb 26, 2026
CVE-2025-20177
PUBLISHED · updated Feb 26, 2026
CVE-2025-20248
PUBLISHED · updated Feb 26, 2026
CVE-2025-20363
PUBLISHED · updated Feb 26, 2026
CVE-2023-20236
PUBLISHED · updated Dec 16, 2025
CVE-2023-20135
PUBLISHED · updated Dec 16, 2025
CVE-2020-3118
KEV
PUBLISHED · updated Oct 21, 2025
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