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HighVulnerabilityCVE-2026-78402updated 30 Oct 2026, 20:20 UTC

Stack-based buffer overflow and out-of-bounds write vulnerability in Thales Sentinel Keys Server on Windows allows Overflow…

Official source
SeverityHighCVSS 7.3 of 10
Being exploited?UnclearNo reports either way yet
Fix available?UnclearNo fixed version published in the sources yet
How sure is this?Official sourceBacked by an official source

Timeline

  1. 30 Oct 2026, 20:17 UTC
    Publicly disclosed
  2. 30 Oct 2026, 20:17 UTC
    Reported by NVD · NVD
  3. 30 Oct 2026, 20:20 UTC
    Picked up by Zero Radar

Sources 1 report, oldest first

Official vendor, government CERT or advisory database

Technical details

ID
CVE-2026-78402
CVSS
7.3 / 10
Disclosed
30 Oct 2026, 20:17 UTC
On Zero Radar
30 Oct 2026, 20:20 UTC (3 min after disclosure)
Last change
30 Oct 2026, 20:20 UTC

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Stack-based buffer overflow and out-of-bounds write vulnerability in Thales Sentinel Keys Server on Windows allows Overflow… · Zero Radar