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Vulnerabilities

Security fix · CVE-2026-20609

The issue was addressed with improved memory handling.

Published Feb 11, 2026 · catalog updated Apr 2, 2026 · Apple iOS and iPadOS

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check this week

CVE-2026-20609 is not in CISA KEV. FIRST estimates a 14.00% chance of exploitation in the next 30 days. Check whether you run Apple iOS and iPadOS.

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
Medium4.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
14.00%
Remediation
Version ranges on file
Affected products
vendor Apple iOS and iPadOS 0 <26.3

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

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 iOS and iPadOS 0 <26.30 <26.3

How to fix CVE-2026-20609

  • Upgrade

    CVE-2026-20609 lists a fix boundary at 26.3. Compare the installed build with that boundary before you change production.

  • Version check

    Seen in 0 <26.3

  • Official advisories

What to do

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

Should you patch?

CVE-2026-20609 is not in CISA KEV. FIRST estimates a 14.00% chance of exploitation in the next 30 days. Check whether you run Apple iOS and iPadOS.

Which versions are affected?

Compare what you have installed with Apple iOS and iPadOS 0 <26.3 0 <26.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 14.00%. 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. Feb 11, 2026 · EUVD

    Detected

    The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

  2. Apr 2, 2026 · EUVD

    Updated

    The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted file may lead to a denial-of-service or potentially disclose memory contents.

Sources

  • EUVDVulnerability recordEUVD-2026-6160

    The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, iOS 26.3 and iPadOS 26.3, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3, tvOS 26.3, visionOS 26.3, watchOS 26.3. Processing a maliciously crafted file may lea

    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.

  • EUVDNov 2, 2026