How severe is CVE-2026-45384?

CVE-2026-45384 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.

Is CVE-2026-45384 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-2026-45384?

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

Does CVE-2026-45384 have an EU (EUVD) identifier?

Yes. CVE-2026-45384 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36115.

When was CVE-2026-45384 published?

CVE-2026-45384 was published on 2026-06-10 and last updated on 2026-06-17.

CVE-2026-45384

CVE-2026-45384 is a medium-severity vulnerability with a CVSS 3.x base score of 6.1. 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-59.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-36115
Weakness: CWE-59
Published: 2026-06-10
Last modified: 2026-06-17

Description

bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, there is an arbitrary file overwrite vulnerability via symlink attack on predictable temp files during archive update. This issue has been patched in version 4.0.12.

Frequently asked questions

What is CVE-2026-45384?: bit7z is a cross-platform C++ static library that allows the compression/extraction of archive files. Prior to version 4.0.12, there is an arbitrary file overwrite vulnerability via symlink attack on predictable temp files during archive update. This issue has been patched in version 4.0.12.
How severe is CVE-2026-45384?: CVE-2026-45384 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability low.
Is CVE-2026-45384 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-2026-45384?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-45384 have an EU (EUVD) identifier?: Yes. CVE-2026-45384 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36115.
When was CVE-2026-45384 published?: CVE-2026-45384 was published on 2026-06-10 and last updated on 2026-06-17.

References

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