Is CVE-2026-26282 in the CISA KEV catalog?

No. CVE-2026-26282 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2026-26282?

CVE-2026-26282 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2026-26282?

CVE-2026-26282 has an EPSS score of 0.17% (7th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2026-26282?

Upgrade nanazip to 6.0.1630.0 or later.

CVE & CISA-KEV Catalog

CVE-2026-26282

MEDIUM

6.6

CVSS v3

NVD

Description

NanaZip is an open source file archive Starting in version 5.0.1252.0 and prior to version 6.0.1630.0, NanaZip has an out-of-bounds heap read in `.NET Single File` bundle header parser due to missing bounds check. Opening a crafted file with NanaZip causes a crash or leaks heap data to the user. Version 6.0.1630.0 patches the issue.

CWE-126Buffer Over-read CWE-125Out-of-bounds Read

How to fix

Remediation Available

nanazipNVD

Affected:>= 5.0.1252.0, < 6.0.1630.0Fixed in:6.0.1630.0CVE-2026-26282derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H

Exploit Intelligence

0.17%probability of exploitation in 30 days

7thpercentile

Low risk: more likely to be exploited than 7% of all known CVEs.

References

Exploit2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-02-20.