HIGHCVSS v3.1 7.8Vulnerability

CVE-2026-78402

Stack-based buffer overflow and out-of-bounds write vulnerability in Thales Sentinel Keys Server on Windows allows Overflow Buffers.  Sentinel Keys Server does not check the length of the first field in the input message. A local attacker may craft an input and send it to Sentinel Keys Server. It may lead to code execution as NT AUTHORITY\SYSTEM enabling local privilege escalation. This issue affects Sentinel Keys Server: versions lower than 1.3.8.0.

Properties

Severity
HIGH
Nvd fetched at
2026-10-31T00:12:10.805837+00:00
Cvss severity
HIGH
Cvss score
7.8
Retrieved at
2026-10-31T00:13:33+00:00
Score
7.8
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-78402
Cvss vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
First seen by Signal
2026-10-31T00:13:33+00:00
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published at
2026-10-30T20:17:17.653
Last modified
2026-10-30T20:17:17.653

Related Entities (2)

HAS_WEAKNESS (2)

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CVE-2026-78402 (CVSS v3.1 7.8) — Ninja Signal Threat Intelligence | Ninja Signal