CISA KEV

CVE-2023-23529

Apple Multiple Products WebKit Type Confusion Vulnerability

Apple iOS, MacOS, Safari and iPadOS WebKit contain a type confusion 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.

VendorApple

ProductMultiple Products

EPSS9.5%

Added to KEVFeb 14, 2023

Remediation DueMar 07, 2023

Known Ransomware UseUnknown

CWECWE-843

Required Action

Apply updates per vendor instructions.

From Disclosure to Action

Know how quickly you need to move.

For CVE-2023-23529, added to the catalogue on Feb 14, 2023 with a remediation deadline of Mar 07, 2023.

Added to KEVFeb 14, 2023

Seraph AlertSame day

Remediation DueMar 07, 2023

ValidationOngoing

Overdue1331 days overdue

Recommended action: Apply vendor remediation guidance.

Seraph Context

Technology Watch Match

Available for technologies you monitor inside Seraph CTI.

Relevant Threat Actors

Surfaced automatically when a tracked actor is linked to this CVE.

Sector Context

Shown when this vendor/product is relevant to your industry.

Exploitation Context

Campaign and indicator context, where Seraph analysts have published it.

References

More from Apple in the KEV catalogue.

CVE-2026-65400macOSAdded Aug 18, 2026 CVE-2025-31277Multiple ProductsAdded Mar 20, 2026 CVE-2025-43520Multiple ProductsAdded Mar 20, 2026

Does this affect technology you run?

Declare your technology stack inside Seraph CTI and get notified the moment a KEV entry matches it.

Explore Seraph CTI Back to KEV Catalogue