CVE-2018-17776

HIGHNVD 7.87.8—Trending — 3 sources updated this weekWeaponized

7.8

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 v3: 7.8
EG Score: 7.8(medium)
EPSS: 63.1%
KEV: Not listed

Published

September 28, 2018

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://packetstormsecurity.com/files/149581/PCProtect-4-8.35-Privilege-Escalation.html
cve@mitrehttps://www.exploit-db.com/exploits/45503/
af854a3a-2127-422b-91ae-364da2661108https://packetstormsecurity.com/files/149581/PCProtect-4-8.35-Privilege-Escalation.html
af854a3a-2127-422b-91ae-364da2661108https://www.exploit-db.com/exploits/45503/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-732Incorrect Permission Assignment for Critical Resource

Data Freshness Timeline

(refreshed 12× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 02:41 UTCEG score recompute
2026-05-28 02:41 UTCGHSA enrichment
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-45503✓ verified
First seen Sep 28, 2018
PCProtect 4.8.35 - Privilege Escalation
Open source ↗

Frequently asked(5)

What is CVE-2018-17776?

CVE-2018-17776 is a high vulnerability published on September 28, 2018. 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.

When was CVE-2018-17776 disclosed?

CVE-2018-17776 was first published in the National Vulnerability Database on September 28, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2018-17776 actively exploited?

CVE-2018-17776 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 63.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2018-17776?

CVE-2018-17776 has a CVSS v3 base score of 7.8 (NVD).

How do I remediate CVE-2018-17776?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-17776, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2018-17776

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2018-17776?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)