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Fencer Vulns
high 7.2

CVE-2005-2827 json

The thread termination routine in the kernel for Windows NT 4.0 and 2000 (NTOSKRNL.EXE) allows local users to modify kernel memory and exec…

published 2005-12-14 20 y ago modified 2026-06-16 4 mo ago also EUVD-2005-2828

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.6%
EPSS 2.6% chance of exploitation in 30 days, percentile 85%
public exploits
1
Exploit-DB

Summary

The thread termination routine in the kernel for Windows NT 4.0 and 2000 (NTOSKRNL.EXE) allows local users to modify kernel memory and execution flow via steps in which a terminating thread causes Asynchronous Procedure Call (APC) entries to free the wrong data, aka the "Windows Kernel Vulnerability."

Patch / fix

Timeline

  1. Published
  2. First public exploit (EDB-1407)

Exploit prediction

2.63% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-1407 Microsoft Windows Server 2000 Kernel - APC Data-Free Local Escalation (MS05-055) local, 2006-01-05

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.