SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2018-17776

PCProtect Anti-Virus v4.8.35 has "Everyone: (F)" permission for %PROGRAMFILES(X86)%\PCProtect, which allows local users to gain privileges by replacing an executable file with a Trojan horse.

EXPLOIT ✓HIGH 7.8EPSS 3.39%

Does this matter?

A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 3.4%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.

Description

PCProtect Anti-Virus v4.8.35 has "Everyone: (F)" permission for %PROGRAMFILES(X86)%\PCProtect, which allows local users to gain privileges by replacing an executable file with a Trojan horse.

CVSS 3.0
7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
3.39% probability · 89th percentile
Public exploits
1 in Exploit-DB · verified · first 28 September 2018
CISA KEV
Not listed
Weakness
CWE-732
Affected
pcprotect/antivirus
Source
cve@mitre.org
EPSS trend
0%3%5%21 September 2026: 4.40%22 September 2026: 3.39%27 October 2026: 3.39%21 September 202627 October 2026

EPSS moved from 4.4% on 21 September 2026 to 3.4% on 27 October 2026.

Public exploits (1)

Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.

EDB-IDTitleTypePublishedVerified
EDB-45503source ↗PCProtect 4.8.35 - Privilege Escalationwindows_x86-64 · Hashim Jawadlocal28 September 2018yes

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.