Apple iOS, iPadOS, and macOS Webkit Use-After-Free Vulnerability

Are you affected?

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• cpe apple/ipadosversion unspecified
• cpe apple/iphone osversion unspecified
• cpe apple/macosversion unspecified
• cpe apple/safariversion unspecified
• vendor Apple iOS, iPadOS, and macOSversion unspecified

How to fix CVE-2022-22620

• Recommended remediation

  Apply updates per vendor instructions. CISA due date Feb 25, 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. Feb 11, 2022 · Catalog

   Detected

   A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

2. Feb 11, 2022 · CISA KEV

   Known exploited

   Apply updates per vendor instructions.

3. Feb 25, 2022 · CISA KEV

   Remediation due

   Apply updates per vendor instructions.

4. Jun 16, 2026 · Catalog

   Updated

   A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited..

Sources

• CISA KEVConfirmed exploitationCVE-2022-22620

  Apple iOS, iPadOS, and macOS WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

  cisa.gov
• CVE.orgVulnerability recordCVE-2022-22620

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2022-22620

  30-day exploitation probability 16.3%

  first.org
• NIST NVDVulnerability recordCVE-2022-22620

  A use after free issue was addressed with improved memory management. This issue is fixed in macOS Monterey 12.2.1, iOS 15.3.1 and iPadOS 15.3.1, Safari 15.3 (v. 16612.4.9.1.8 and 15612.4.9.1.8). Processing maliciously crafted web content may lead to arbitrary code execution. App

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2022-22620

  Apple iOS, iPadOS, and macOS WebKit contain a use-after-free vulnerability that leads to code execution when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products

  vulncheck.com

References

• VulnCheck exploitation evidence · docs.google.com
• CISA note · nvd.nist.gov
• VulnCheck exploitation evidence · raw.githubusercontent.com
• Third Party Advisory · security.gentoo.org
• Release Notes · support.apple.com
• Release Notes · support.apple.com
• Release Notes · support.apple.com
• VulnCheck exploitation evidence · support.apple.com
• VulnCheck exploitation evidence · support.apple.com
• VulnCheck exploitation evidence · support.apple.com
• 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.