How severe is CVE-2026-39199?

CVE-2026-39199 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-39199 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-39199?

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

Does CVE-2026-39199 have an EU (EUVD) identifier?

Yes. CVE-2026-39199 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37833.

When was CVE-2026-39199 published?

CVE-2026-39199 was published on 2026-06-17 and last updated on 2026-06-22.

CVE-2026-39199

CVE-2026-39199 is a low-severity vulnerability with a CVSS 3.x base score of 2.9. 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-787.

Key facts

Severity: Low (CVSS 3.x base score 2.9)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-37833
Weakness: CWE-787
Published: 2026-06-17
Last modified: 2026-06-22

Description

snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.

Frequently asked questions

What is CVE-2026-39199?: snes9x 1.63 allows an out-of-bounds write and denial of service via a crafted .ups file.
How severe is CVE-2026-39199?: CVE-2026-39199 has a CVSS 3.x base score of 2.9, rated low severity. It is exploitable over local access with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-39199 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-39199?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-39199 have an EU (EUVD) identifier?: Yes. CVE-2026-39199 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-37833.
When was CVE-2026-39199 published?: CVE-2026-39199 was published on 2026-06-17 and last updated on 2026-06-22.

References

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