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Vulnerabilities

Security fix · CVE-2025-46299

A memory initialization issue was addressed with improved memory handling.

Published Jan 9, 2026 · catalog updated Apr 2, 2026 · Apple tvOS

Last checked Oct 30, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2025-46299 is not in CISA KEV. FIRST estimates a 31.00% chance of exploitation in the next 30 days. Check whether you run Apple tvOS.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium4.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
31.00%
Remediation
Version ranges on file
Affected products
vendor Apple tvOS 0 <26.2

A memory initialization issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may disclose internal states of the app.

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.

  • vendor Apple tvOS 0 <26.20 <26.2

How to fix CVE-2025-46299

  • Upgrade

    CVE-2025-46299 lists a fix boundary at 26.2. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 0 <26.2

  • Official advisories

What to do

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

Should you patch?

CVE-2025-46299 is not in CISA KEV. FIRST estimates a 31.00% chance of exploitation in the next 30 days. Check whether you run Apple tvOS.

Which versions are affected?

Compare what you have installed with Apple tvOS 0 <26.2 0 <26.2. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 31.00%. 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. Jan 9, 2026 · EUVD

    Detected

    A memory initialization issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may disclose internal states of the app.

  2. Apr 2, 2026 · EUVD

    Updated

    A memory initialization issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may disclose internal states of the app.

Sources

  • EUVDVulnerability recordEUVD-2025-206268

    A memory initialization issue was addressed with improved memory handling. This issue is fixed in Safari 26.2, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may disclose internal states of the app.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Apr 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • EUVDOct 30, 2026