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Fencer Vulns
high 7.2

CVE-2009-1824 json

The ps_drv.sys kernel driver in ArcaBit ArcaVir 2009 Antivirus Protection 9.4.3201.9 and earlier, ArcaVir 2009 Internet Security 9.4.3202.9…

published 2009-05-29 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-1819

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits
1
Exploit-DB

Summary

The ps_drv.sys kernel driver in ArcaBit ArcaVir 2009 Antivirus Protection 9.4.3201.9 and earlier, ArcaVir 2009 Internet Security 9.4.3202.9 and earlier, ArcaVir 2009 System Protection 9.4.3203.9 and earlier, and ArcaBit 2009 Home Protection 9.4.3204.9 and earlier, allows local users to gain privileges via crafted METHOD_NEITHER IOCTL requests to \Device\ps_drv containing arbitrary kernel addresses, as demonstrated using the (1) 0x2A7B802B and possibly (2) 0x2A7B8004 and (3) 0x2A7B802F IOCTLs.

Timeline

  1. First public exploit (EDB-8782)
  2. Published

Exploit prediction

0.96% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-8782 ArcaVir 2009 < 9.4.320X.9 - 'ps_drv.sys' Local Privilege Escalation local, 2009-05-26
  • ntinternals.org http://ntinternals.org/ntiadv0814/PsDrv_Exp.zip referenced PoC, tagged "exploit" by a source, unverified
  • ntinternals.org http://ntinternals.org/ntiadv0814/ntiadv0814.html referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/35100 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

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

Classification

Weakness
  • CWE-20 Improper Input Validation

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.