What it is
CVE-2025-24201 is an unauthenticated vulnerability affecting Apple Safari and 5 other products. An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in...
Vulnerability report
Exploited in the wild
Confirmed confidence
In CISA KEV
CVE-2025-24201
Safari
Apple / Safari · affected before 18.3.1
- Severity
- CVSS 8.8 · High
- Confidence
- Confirmed
- Exploit status
- Exploited in the wild
- EPSS
- 4.1%
- First observed
- —
- Last observed
- —
Decision summary
What security teams need to know first
Direct answers before the deeper technical record.
Is it exploited?
Yes. KEV Intelligence tracks this CVE as a known exploited vulnerability. Confidence is confirmed.
Who is affected?
Apple / Safari affected before 18.3.1.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions
An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6, macOS Sequoia 15.3.2, visionOS 2.3.2, watchOS 11.4. Maliciously crafted web content may be able to break out of Web Content sandbox.
This is a supplementary fix for an attack that was blocked in iOS 17.2. (Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 17.2.).
Vendor
Product
Affected
Status
Apple
Safari
Before 18.3.1
Affected
Apple
iOS and iPadOS
Before 15.8.4
Affected
Apple
iOS and iPadOS
Before 16.7.11
Affected
Apple
iOS and iPadOS
Before 18.3.2
Affected
Apple
iPadOS
Before 17.7.6
Affected
Apple
macOS
Before 15.3.2
Affected
Apple
visionOS
Before 2.3.2
Affected
Apple
watchOS
Before 11.4
Affected
- Published
- 11 Mar 2025
- Exploitation Reported
- 13 Mar 2025
- Attack vector
- Remote
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
Tags
ios
cisa
macos
nessus_scanner
CVE References
- CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2025-24201
- support.apple.com/en-us/122281 support.apple.com · CVE Record https://support.apple.com/en-us/122281
- support.apple.com/en-us/122283 support.apple.com · CVE Record https://support.apple.com/en-us/122283
- support.apple.com/en-us/122284 support.apple.com · CVE Record https://support.apple.com/en-us/122284
- support.apple.com/en-us/122285 support.apple.com · CVE Record https://support.apple.com/en-us/122285
- support.apple.com/en-us/122345 support.apple.com · CVE Record https://support.apple.com/en-us/122345
- support.apple.com/en-us/122346 support.apple.com · CVE Record https://support.apple.com/en-us/122346
- support.apple.com/en-us/122372 support.apple.com · CVE Record https://support.apple.com/en-us/122372
- support.apple.com/en-us/122376 support.apple.com · CVE Record https://support.apple.com/en-us/122376
Exploitation evidence
Why KEV Intelligence marks this CVE as exploited
Third-party attestation and first-party sensor observation are shown separately so teams can judge the evidence chain.
Exploited in the wild
CISA
Independent exploitation attestation added to the KEV Intelligence record.
Known exploited vulnerability sources
Per-source evidence links for KEV attestations are available through the KEV Intelligence Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CISA First | 2025-03-13 00:00 UTC |
Detection
Operational artifacts and observed signals
Make the evidence actionable in scanner, SOC, and edge-control workflows.
Observed signals
- Request targets
- 0
- User-Agents
- 0
Raw values available in Pro and Enterprise.
Scanner coverage
Nessus template detected 02 Jun 2025.
View Nessus template (opens in new tab)Virtual patch status
No KEV Intelligence virtual patch is currently available. Future rules ship for ModSecurity, Cloudflare, and AWS WAF.
Learn about virtual patches →Scanner Artifacts
Scanner and exploit-framework references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nessus | https://www.tenable.com/plugins/nessus/237469 | 02 Jun 2025 |
Risk and context
Severity, weaknesses, and research context
CVSS v3.1
8.8
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
4.1%
Weaknesses
Timeline
From disclosure to observed exploitation
-
Nessus plugin available
Scanner coverage available
-
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
CVE published
Vulnerability disclosed publicly
-
CVE ID reserved
Identifier reserved by the CNA
Pro API
Automate this intelligence
Confidence, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
- Evidence confidence and provenance
- First-party sensor telemetry
- PoC and scanner references
- Affected versions and enrichment
- Automation-ready JSON delivery
GET /api/v2/pro/kevs/CVE-2025-24201
Free JSON includes basic KEV fields{
"cve_id": "CVE-2025-24201",
"confidence": "Confirmed",
"cvss_score": 8.8,
"cvss_estimated": false,
"epss_score": 0.04117,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "attempts": 0, "sensors": 0 }
}Early warning alerts
Get alerts on high-impact exploitation
Receive curator-selected alerts when exploitation activity warrants attention. Each alert includes the evidence and context needed to decide what requires attention now.