Apple Multiple Products WebKit Code Execution Vulnerability

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/ipadosversion unspecified
• cpe apple/iphone osversion unspecified
• cpe apple/macosversion unspecified
• cpe debian/debian linux11.0
• cpe debian/debian linux12.0
• cpe fedoraproject/fedora37
• cpe fedoraproject/fedora38
• cpe fedoraproject/fedora39
• cpe netapp/active iq unified managerversion unspecified
• cpe oracle/graalvm20.3.13
• cpe webkitgtk/webkitgtk+version unspecified
• vendor Apple Multiple Productsversion unspecified

How to fix CVE-2023-41993

• Recommended remediation

  Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. CISA due date Oct 16, 2023.

• 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. Sep 21, 2023 · Catalog

   Detected

   Apple iOS, iPadOS, macOS, and Safari WebKit contain an unspecified 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.

2. Sep 25, 2023 · CISA KEV

   Known exploited

   Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

3. Oct 16, 2023 · CISA KEV

   Remediation due

   Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

4. Jun 16, 2026 · Catalog

   Updated

   Apple iOS, iPadOS, macOS, and Safari WebKit contain an unspecified 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.

Sources

• CISA KEVConfirmed exploitationCVE-2023-41993

  Apple iOS, iPadOS, macOS, and Safari WebKit contain an unspecified 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-2023-41993

  Official CVE identifier

  cve.org
• FIRST EPSSExploitation probabilityCVE-2023-41993

  30-day exploitation probability 24.3%

  first.org
• NIST NVDVulnerability recordCVE-2023-41993

  The issue was addressed with improved checks. This issue is fixed in macOS Sonoma 14. Processing web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited against versions of iOS before iOS 16.7.

  nvd.nist.gov
• VulnCheck KEVConfirmed exploitationCVE-2023-41993

  Apple iOS, iPadOS, macOS, and Safari WebKit contain an unspecified 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 pro

  vulncheck.com

References

• VulnCheck exploitation evidence · blog.google
• VulnCheck exploitation evidence · citizenlab.ca
• VulnCheck exploitation evidence · docs.google.com
• CISA note · nvd.nist.gov
• Third Party Advisory · security.gentoo.org
• Third Party Advisory · security.netapp.com
• CISA note · support.apple.com
• CISA note · support.apple.com
• CISA note · support.apple.com
• Vendor Advisory · support.apple.com
• Vendor Advisory · support.apple.com
• VulnCheck exploitation evidence · support.apple.com
• Vendor Advisory · support.apple.com

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.