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Vulnerabilities

Vulnerability · CVE-2026-28844

A file access issue was addressed with improved input validation.

Published Mar 25, 2026 · catalog updated Jun 17, 2026 · A file access issue

Check if you run it

No confirmed exploitation is on record for CVE-2026-28844. EPSS is 0.34%. Act only if a listed version of A file access issue is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A file access issue).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.34%
Remediation
Not established
Affected products
cpe apple/macos

A file access issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.4. An attacker may gain access to protected parts of the file system.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe apple/macosversion unspecified

How to fix CVE-2026-28844

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-28844. EPSS is 0.34%. Act only if a listed version of A file access issue is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.34%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 25, 2026 · NIST NVD

    Detected

    A file access issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.4. An attacker may gain access to protected parts of the file system.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A file access issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.4. An attacker may gain access to protected parts of the file system.

Sources

  • CVE.orgVulnerability recordCVE-2026-28844

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-28844

    30-day exploitation probability 0.3%

    first.org
  • NIST NVDVulnerability recordCVE-2026-28844

    A file access issue was addressed with improved input validation. This issue is fixed in macOS Tahoe 26.4. An attacker may gain access to protected parts of the file system.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.