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Fencer Vulns
medium 4.6

CVE-2006-4927 json

The (a) NAVENG (NAVENG.SYS) and (b) NAVEX15 (NAVEX15.SYS) device drivers 20061.3.0.12 and later, as used in Symantec AntiVirus and security…

published 2006-10-05 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-4914

cvss
4.6
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 78%
public exploits
2
Exploit-DB

Summary

The (a) NAVENG (NAVENG.SYS) and (b) NAVEX15 (NAVEX15.SYS) device drivers 20061.3.0.12 and later, as used in Symantec AntiVirus and security products, allow local users to gain privileges by overwriting critical system addresses using a crafted Irp to the IOCTL functions (1) 0x222AD3, (2) 0x222AD7, and (3) 0x222ADB.

Patch / fix

Timeline

  1. First public exploit (EDB-28764)
  2. Published

Exploit prediction

1.75% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-28764 Symantec AntiVirus - IOCTL Kernel Privilege Escalation (2) local, 2006-08-26
  • EDB-28763 Symantec AntiVirus - IOCTL Kernel Privilege Escalation (1) local, 2006-08-26
  • securitytracker.com http://securitytracker.com/id?1016996 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1017001 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1017000 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1016997 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1016995 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1016998 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1016994 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/20360 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1016999 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1017002 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

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.