How severe is CVE-2026-12386?

CVE-2026-12386 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability low.

Is CVE-2026-12386 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-12386?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-12386 published?

CVE-2026-12386 was published on 2026-07-05 and last updated on 2026-07-06.

CVE-2026-12386

CVE-2026-12386 is a low-severity vulnerability with a CVSS 3.x base score of 3.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-170.

Key facts

Severity: Low (CVSS 3.x base score 3.9)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-170
Published: 2026-07-05
Last modified: 2026-07-06

Description

Improper null termination vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Pen allows Overflow Buffers. This issue affects Pardus Pen: from <=4.1.5 before 4.2.1.

Frequently asked questions

What is CVE-2026-12386?: Improper null termination vulnerability in TUBITAK BILGEM Software Technologies Research Institute Pardus Pen allows Overflow Buffers. This issue affects Pardus Pen: from <=4.1.5 before 4.2.1.
How severe is CVE-2026-12386?: CVE-2026-12386 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity none, and availability low.
Is CVE-2026-12386 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-12386?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-12386 published?: CVE-2026-12386 was published on 2026-07-05 and last updated on 2026-07-06.

References

https://siberguvenlik.gov.tr/guvenlik-bildirimleri/detay/tr-26-0499

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