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CVE-2016-4902: Untrusted search path vulnerability in The Public Certification Service for Individuals "The JPKI user's softw

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HIGH 7.8UPGRADEUPGRADEUPGRADE

CVE-2016-4902 is a high-severity flaw (CVSS 7.8) affecting the public certification service for individuals, the public certification service for individuals for windows 7, the public certification service for individuals for windows vista. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Untrusted search path vulnerability in The Public Certification Service for Individuals "The JPKI user's software (for Windows 7 and later)" Ver3.0.1 and earlier, The Public Certification Service for Individuals "The JPKI user's software (for Windows Vista)" Ver3.0.1 and earlier and The Public Certification Service for Individuals "The JPKI user's software" Ver2.6 and earlier allows remote attackers to gain privileges via a Trojan horse DLL in an

Why this priority

  • High severity

A fixed release or distro patch exists.

Risk facts

CVSS score7.8 (High)
Attack vectorLocal
Attack complexityLow
Privileges neededNone
User interactionRequired
EPSS exploit chance1.8% (top 21%)
CISA exploited listNo
WeaknessCWE-426
Published2017-06-09
Last modified2026-06-17
Publisher (CNA): JPCERT/CC · Vendor: jpki

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

jpki the public certification service for individuals UPGRADE
Affected: <= 2.6
Fixed in: newer than 2.6
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy the-public-certification-service-for-individuals || rpm -q the-public-certification-service-for-individuals || the-public-certification-service-for-individuals --version
2. UPGRADE to newer than 2.6 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade the-public-certification-service-for-individuals
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade the-public-certification-service-for-individuals
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
jpki the public certification service for individuals for windows 7 UPGRADE
Affected: <= 3.0.1
Fixed in: newer than 3.0.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy the-public-certification-service-for-individuals-for-windows-7 || rpm -q the-public-certification-service-for-individuals-for-windows-7 || the-public-certification-service-for-individuals-for-windows-7 --version
2. UPGRADE to newer than 3.0.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade the-public-certification-service-for-individuals-for-windows-7
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade the-public-certification-service-for-individuals-for-windows-7
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
jpki the public certification service for individuals for windows vista UPGRADE
Affected: <= 3.0.1
Fixed in: newer than 3.0.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy the-public-certification-service-for-individuals-for-windows-vista || rpm -q the-public-certification-service-for-individuals-for-windows-vista || the-public-certification-service-for-individuals-for-windows-vista --version
2. UPGRADE to newer than 3.0.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade the-public-certification-service-for-individuals-for-windows-vista
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade the-public-certification-service-for-individuals-for-windows-vista
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2016-4902?

the public certification service for individuals: upgrade to newer than 2.6; the public certification service for individuals for windows 7: upgrade to newer than 3.0.1; the public certification service for individuals for windows vista: upgrade to newer than 3.0.1. Exact commands for each OS are on this page.

Is CVE-2016-4902 being exploited?

CVE-2016-4902 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2016-4902 affect?

CVE-2016-4902 affects the public certification service for individuals, the public certification service for individuals for windows 7, the public certification service for individuals for windows vista. Severity is high (CVSS 7.8). Untrusted search path vulnerability in The Public Certification Service for Individuals "The JPKI user's software (for Windows 7 and later)" Ver3.0.1 and earlier, The Public Certification Service for Individuals "The JPKI user's software (f

How urgent is CVE-2016-4902?

Priority 47/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

References

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