How severe is CVE-2026-7739?

CVE-2026-7739 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2026-7739 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-7739?

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

Does CVE-2026-7739 have an EU (EUVD) identifier?

Yes. CVE-2026-7739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26922.

When was CVE-2026-7739 published?

CVE-2026-7739 was published on 2026-05-04 and last updated on 2026-06-17.

CVE-2026-7739

CVE-2026-7739 is a low-severity vulnerability with a CVSS 3.x base score of 3.3. 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-404.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26922
Weakness: CWE-404
Published: 2026-05-04
Last modified: 2026-06-17

Description

A weakness has been identified in justdan96 tsMuxer up to 2.7.0. This vulnerability affects the function HevcVpsUnit::setFPS of the file /AFLplusplus/tsMuxer_prev/tsMuxer/hevc.cpp. This manipulation of the argument track_id causes denial of service. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.

Frequently asked questions

What is CVE-2026-7739?: A weakness has been identified in justdan96 tsMuxer up to 2.7.0. This vulnerability affects the function HevcVpsUnit::setFPS of the file /AFLplusplus/tsMuxer_prev/tsMuxer/hevc.cpp. This manipulation of the argument track_id causes denial of service. The attack requires local access. The exploit has been made available to the public and could be used for attacks. This vulnerability only affects products that are no longer supported by the maintainer.
How severe is CVE-2026-7739?: CVE-2026-7739 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2026-7739 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-7739?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7739 have an EU (EUVD) identifier?: Yes. CVE-2026-7739 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26922.
When was CVE-2026-7739 published?: CVE-2026-7739 was published on 2026-05-04 and last updated on 2026-06-17.

References

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