What it is
CVE-2024-23222 is an unauthenticated vulnerability affecting Apple Safari and 4 other products. A type confusion issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 15.8.7 and iPadOS...
Vulnerability report
Exploited in the wild
Confirmed confidence
In CISA KEV
CVE-2024-23222
Safari
Apple / Safari · affected before 17.3
- Severity
- CVSS 8.8 · High
- Confidence
- Confirmed
- Exploit status
- Exploited in the wild
- EPSS
- 10.6%
- 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 17.3.
What should we do?
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Overview
A type confusion issue was addressed with improved checks
A type confusion issue was addressed with improved checks. This issue is fixed in Safari 17.3, iOS 15.8.7 and iPadOS 15.8.7, iOS 16.7.5 and iPadOS 16.7.5, iOS 17.3 and iPadOS 17.3, macOS Monterey 12.7.3, macOS Sonoma 14.3, macOS Ventura 13.6.4, tvOS 17.3, visionOS 1.0.2. Processing maliciously crafted web content may lead to arbitrary code execution.
This fix associated with the Coruna exploit was shipped in iOS 17.3 on January 22, 2024. This update brings that fix to devices that cannot update to the latest iOS version.
Vendor
Product
Affected
Status
Apple
Safari
Before 17.3
Affected
Apple
iOS and iPadOS
Before 15.8.7
Affected
Apple
iOS and iPadOS
Before 16.7.5
Affected
Apple
iOS and iPadOS
Before 17.3
Affected
Apple
macOS
Before 12.7.3
Affected
Apple
macOS
Before 13.6.4
Affected
Apple
macOS
Before 14.3
Affected
Apple
tvOS
Before 17.3
Affected
Apple
visionOS
Before 1.0.2
Affected
- Published
- 23 Jan 2024
- Exploitation Reported
- 23 Jan 2024
- Attack vector
- Remote
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
Tags
ios
nessus_scanner
macos
cisa
CVE References
- CVE Record CVE.org · CVE Record https://www.cve.org/CVERecord?id=CVE-2024-23222
- support.apple.com/en-us/118479 support.apple.com · CVE Record https://support.apple.com/en-us/118479
- support.apple.com/en-us/120304 support.apple.com · CVE Record https://support.apple.com/en-us/120304
- support.apple.com/en-us/120305 support.apple.com · CVE Record https://support.apple.com/en-us/120305
- support.apple.com/en-us/120307 support.apple.com · CVE Record https://support.apple.com/en-us/120307
- support.apple.com/en-us/120309 support.apple.com · CVE Record https://support.apple.com/en-us/120309
- support.apple.com/en-us/120310 support.apple.com · CVE Record https://support.apple.com/en-us/120310
- support.apple.com/en-us/120311 support.apple.com · CVE Record https://support.apple.com/en-us/120311
- support.apple.com/en-us/120339 support.apple.com · CVE Record https://support.apple.com/en-us/120339
- support.apple.com/en-us/126632 support.apple.com · CVE Record https://support.apple.com/en-us/126632
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 | 2024-01-23 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/236273 | 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
10.6%
Timeline
From disclosure to observed exploitation
-
Nessus plugin available
Scanner coverage available
-
CVE published
Vulnerability disclosed publicly
-
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
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-2024-23222
Free JSON includes basic KEV fields{
"cve_id": "CVE-2024-23222",
"confidence": "Confirmed",
"cvss_score": 8.8,
"cvss_estimated": false,
"epss_score": 0.10593,
"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.