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vulnerability · Sat 19 Sep 2026 · 17:43 UTC

Actively exploited

CISA added 3 Linux kernel flaws to KEV: CVE-2025-39682 (9.8, TLS DoS/mem disclosure), CVE-2026-53266 (8.8, ebtables OOB write → LPE), CVE-2025-39964 (7.8, AF_ALG race). …

Filed UTCSource THN ↗

🤖 CISA added 3 Linux kernel flaws to KEV: CVE-2025-39682 (9.8, TLS DoS/mem disclosure), CVE-2026-53266 (8.8, ebtables OOB write → LPE), CVE-2025-39964 (7.8, AF_ALG race). Exploited in the wild. …

Signals

as the pipeline stamped them
KEV
Active exploitation (KEV)
What to do
  1. On CISA KEV — actively exploited. Patch immediately.

CISA KEV means this flaw has been seen exploited in real attacks — not predicted, observed. Treat it as urgent regardless of its score.

CVE · 3

KEV from CISA · EPSS from FIRST
CVE ids in this dispatch with their KEV status and EPSS score
IdKEVEPSSReference
CVE-2025-39682KEV3%NVD ↗
CVE-2026-53266KEV0.83%NVD ↗
CVE-2025-39964KEV1%NVD ↗

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