CVE-2025-43300
Confirmed PUBLISHEDAn out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and...
1 day faster than CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.
- CVE Published
- Aug 21, 2025
- Exploitation Reported
- Jun 01, 2026
- CVSS
- 10.0 Critical
- EPSS
- 20.0%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Apple |
iOS and iPadOS
|
0 to < 15.8.5 |
Affected |
| Apple |
iOS and iPadOS
|
0 to < 16.7.12 |
Affected |
| Apple |
iOS and iPadOS
|
0 to < 18.6.2 |
Affected |
| Apple |
iPadOS
|
0 to < 17.7.10 |
Affected |
| Apple |
macOS
|
0 to < 13.7.8 |
Affected |
| Apple |
macOS
|
0 to < 14.7.8 |
Affected |
| Apple |
macOS
|
0 to < 15.6.1 |
Affected |
CVE References
- support.apple.com/en-us/124925 support.apple.com · CVE Record https://support.apple.com/en-us/124925
- support.apple.com/en-us/124926 support.apple.com · CVE Record https://support.apple.com/en-us/124926
- support.apple.com/en-us/124927 support.apple.com · CVE Record https://support.apple.com/en-us/124927
- support.apple.com/en-us/124928 support.apple.com · CVE Record https://support.apple.com/en-us/124928
- support.apple.com/en-us/124929 support.apple.com · CVE Record https://support.apple.com/en-us/124929
Show 2 more references
- support.apple.com/en-us/125141 support.apple.com · CVE Record https://support.apple.com/en-us/125141
- support.apple.com/en-us/125142 support.apple.com · CVE Record https://support.apple.com/en-us/125142
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| CVE First | 2026-06-01 10:39 UTC |
| CISA | 2026-06-02 14:06 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2026-06-01 10:39:18 UTC · CVE
Weaknesses (CWE)
-
Out-of-bounds Write
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
14:06 UTC about 2 months ago14:06 UTC · about 2 months ago
Added to CISA KEV
Listed in the CISA Known Exploited Vulnerabilities catalog
-
10:39 UTC about 2 months ago10:39 UTC · about 2 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
00:27 UTC 11 months ago00:27 UTC · 11 months ago
CVE published
Vulnerability disclosed publicly
-
15:24 UTC over 1 year ago15:24 UTC · over 1 year ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2025-43300
{
"cve_id": "CVE-2025-43300",
"title": "An out-of-bounds write issue was addressed with improved bounds checking. Thi...",
"affected_vendor": "Apple",
"affected_product": "iOS and iPadOS, iPadOS, macOS",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "Confirmed",
"cvss_score": 10.0,
"epss_score": 0.19972,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}