Apple iOS and iPadOS Out-of-Bounds Write Vulnerability

Are you affected?

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• cpe apple/ipadosversion unspecified
• cpe apple/iphone osversion unspecified
• vendor Apple iOS and iPadOSversion unspecified

How to fix CVE-2022-42827

• Recommended remediation

  Apply updates per vendor instructions. CISA due date Nov 15, 2022.

• Official advisories

  • CISA KEV · cisa.gov
  • CVE.org · cve.org
  • FIRST EPSS · first.org
  • NIST NVD · nvd.nist.gov
  • VulnCheck KEV · vulncheck.com

What to do

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

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. Oct 25, 2022 · Catalog

   Detected

   An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, iOS 16.1 and iPadOS 16. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

2. Oct 25, 2022 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Nov 15, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, iOS 16.1 and iPadOS 16. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have been actively exploited..

Sources

• CISA KEVConfirmed exploitationCVE-2022-42827

  Apple iOS and iPadOS kernel contain an out-of-bounds write vulnerability which can allow an application to perform code execution with kernel privileges.

  cisa.gov
• CVE.orgVulnerability recordCVE-2022-42827

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2022-42827

  30-day exploitation probability 1.1%

  first.org
• NIST NVDVulnerability recordCVE-2022-42827

  An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.7.1 and iPadOS 15.7.1, iOS 16.1 and iPadOS 16. An application may be able to execute arbitrary code with kernel privileges. Apple is aware of a report that this issue may have

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2022-42827

  Apple iOS and iPadOS kernel contain an out-of-bounds write vulnerability which can allow an application to perform code execution with kernel privileges.

  vulncheck.com

References

• VulnCheck exploitation evidence · docs.google.com
• CISA note · nvd.nist.gov
• VulnCheck exploitation evidence · raw.githubusercontent.com
• CISA note · support.apple.com
• Vendor Advisory · support.apple.com
• VulnCheck exploitation evidence · support.apple.com
• VulnCheck exploitation evidence · support.apple.com
• US Government Resource · cisa.gov
• VulnCheck exploitation evidence · cisa.gov

Freshness

Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.