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CVE-2026-78402

Stack Buffer Overflow in Sentinel Keys Server

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 1.3.8.0
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: total

Summary

Thales Sentinel Keys Server running on Windows is affected by a stack buffer overflow flaw caused by missing input length checks. A local attacker who sends a specially crafted message could execute code with SYSTEM-level privileges, allowing them to gain full control of the machine.

Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.

Read the original description

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.

Timeline

  1. CVE published
  2. First seen by cve.now
  3. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: total

  4. Record last updated

Affected versions

  • Thalesgroup Sentinel Keys Server

    fixed in 1.3.8.0

References 1

supportportal.thalesgroup.com