CVE-2025-43539
HIGH
8.8
CVSS Score
Published: December 12, 2025 at 08:56 PM UTC
Updated: October 7, 2026 at 11:10 AM UTC
5 products affected across 1 vendormacOSiPadOStvOS
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Severity
HIGH8.8
Exploit prediction
EPSS 6%
SSVC
No known exploit
Description
The issue was addressed with improved bounds checks. This issue is fixed in macOS Sonoma 14.8.3, macOS Sequoia 15.7.3. Processing a file may lead to memory corruption.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 14.8.3v < 15.7.3v < 26.215.0 ≤ v < 15.7.3
Affected range stops below 14.8.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 15.7.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 26.2, so it looks safe — our inference, not a vendor statement
v < 18.7.3v < 26.2
Affected range stops below 18.7.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 26.2, so it looks safe — our inference, not a vendor statement
v < 26.2
Affected range stops below 26.2, so it looks safe — our inference, not a vendor statement
v < 26.2
Affected range stops below 26.2, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (8)
Source: cverecord
https://support.apple.com/en-us/125885Source: cverecord
https://support.apple.com/en-us/125889Source: cverecord
https://support.apple.com/en-us/125884Source: cverecord
https://support.apple.com/en-us/125891Source: cverecord
https://support.apple.com/en-us/125886Source: cverecord
https://support.apple.com/en-us/125890SSVC — Action Prioritization
SSVCNo known exploitNot automatableTotal impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
8.8HIGHCISA-ADP
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- REQUIRED
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-787CWE-119
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