Vulnerability

CVE-2025-24201

Critical· 10.0KEVCVSS10EPSS0%

.rules3/5

Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability

Apple iOS, iPadOS, macOS, and other Apple products contain an out-of-bounds write vulnerability in WebKit that may allow maliciously crafted web content to break out of Web Content sandbox. 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.

Threat signal

100/100

Severe

Severity

critical

CVSS

10.0

EPSS

Active

KEV

CISA KEV — actively exploited

436d overdue

AffectedApple — Multiple Products

Added to KEV

2025-03-13

Federal patch due (BOD 22-01)

2025-04-03

Required action (CISA verbatim)

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Vendor advisory + references

CISA description: “Apple iOS, iPadOS, macOS, and other Apple products contain an out-of-bounds write vulnerability in WebKit that may allow maliciously crafted web content to break out of Web Content sandbox. 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.”

CVSS

v3.1Open in FIRST calculator →

10.0/ 10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionNoneFully automated — no victim action needed.
ScopeChangedImpact extends beyond the vulnerable component (e.g. sandbox escape).
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

0.21%

probability of exploitation in next 30 days

p44

higher than 44% of all CVEs

3-day trend↑ 0pp

Low exploitation likelihood — defer if no other signals fire.

Vendor VEX

No VEX statements published for CVE-2025-24201. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: yes
impact: total
mission: support

Lifecycle

2025-03-13Added to CISA KEVransomware: Unknown
2025-03-13Published
2025-04-03Federal patch due (BOD 22-01)
2025-05-29Vendor advisory · amazon-linuxALAS2-2025-2869 — ALAS2-2025-2869 (important): webkitgtk4
2026-06-12Last modified1 source

Entity graph

2 nodes · 1 edges · click to pivot

CVEActorVendor advisoryIOCNews

Vendor advisories

amazon-linuxALAS2-2025-2869ALAS2-2025-2869 (important): webkitgtk4

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.