How severe is CVE-2023-52168?

CVE-2023-52168 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-52168 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-52168?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-52168 have an EU (EUVD) identifier?

Yes. CVE-2023-52168 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56841.

When was CVE-2023-52168 published?

CVE-2023-52168 was published on 2024-07-03 and last updated on 2026-06-17.

CVE-2023-52168

CVE-2023-52168 is a high-severity vulnerability with a CVSS 3.x base score of 8.4. 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-122.

Key facts

Severity: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 0% (26th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-56841
Weakness: CWE-122
Published: 2024-07-03
Last modified: 2026-06-17

Description

The NtfsHandler.cpp NTFS handler in 7-Zip before 24.01 (for 7zz) contains a heap-based buffer overflow that allows an attacker to overwrite two bytes at multiple offsets beyond the allocated buffer size: buffer+512*i-2, for i=9, i=10, i=11, etc.

Frequently asked questions

What is CVE-2023-52168?: The NtfsHandler.cpp NTFS handler in 7-Zip before 24.01 (for 7zz) contains a heap-based buffer overflow that allows an attacker to overwrite two bytes at multiple offsets beyond the allocated buffer size: buffer+512*i-2, for i=9, i=10, i=11, etc.
How severe is CVE-2023-52168?: CVE-2023-52168 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-52168 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-52168?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-52168 have an EU (EUVD) identifier?: Yes. CVE-2023-52168 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-56841.
When was CVE-2023-52168 published?: CVE-2023-52168 was published on 2024-07-03 and last updated on 2026-06-17.

References

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