What is CVE-2018-17776?

CVE-2018-17776 is a high-severity vulnerability in Pcprotect Antivirus, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2018-09-28.

How severe is CVE-2018-17776?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Pcprotect Antivirus

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.

Published 2018-09-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.034 (88.4th percentile), scored 2026-10-01.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 88.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.034 · newest: 0.034 · change: 0.000

Affected products

Pcprotect Antivirus — versions 4.8.35

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

packetstormsecurity.com/files/149581/PCProtect-4-8.35-Privilege-Escalation.html (Exploit, VDB Entry, Third Party Advisory)
www.exploit-db.com/exploits/45503/ (Exploit, VDB Entry, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2018-17776?: CVE-2018-17776 is a high-severity vulnerability in Pcprotect Antivirus, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 7.8/10. Published 2018-09-28.
How severe is CVE-2018-17776?: High severity. CVSS v3 base score is 7.8 out of 10.