CVE-2025-44089

Code execution via crafted archive

Published Jul 22, 2026 · Updated Jul 22, 2026

Arbitrary code execution in NCH Software ExpressZip 11.29 allows attackers to run code by downloading and executing a crafted archive. The published CVE record does not disclose the archive format, processing locus, or operation that turns the crafted file into code execution. The stated path requires the archive to be downloaded and executed, but no additional privilege, network, or configuration gate is identified.

CVSS severityUnavailable
Unscored
EPSS probability0.29%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary code execution in NCH Software ExpressZip 11.29 allows attackers to run code by downloading and executing a crafted archive. The published CVE record does not disclose the archive format, processing locus, or operation that turns the crafted file into code execution. The stated path requires the archive to be downloaded and executed, but no additional privilege, network, or configuration gate is identified.

The record

CVE
CVE-2025-44089
Published
Jul 22, 2026
Updated
Jul 22, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1204.002
Attack vector
Unavailable
Privileges
Unavailable

Timeline

How it unfolded

  1. Jul 22, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 22, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorUnavailable in this record.
Required privilegesUnavailable in this record.

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
VectorUnavailable
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

T1204.002Malicious File

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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