CVE-2025-43339: Apple macOS · A malicious app may be able to access sensitive user data
Affects Apple macOSSource CVE Database V5
Not known to be exploited · CVSS 5.5 Medium · fixed in 26.1 : update Apple macOS when convenient.
Data as of 10/25/2026, 16:58:53 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 1% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 26.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 11 Jun 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wild: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| ApplemacOS | Affected
| Fixed in
|
AI-suggested
The vulnerability is fixed in macOS Tahoe 26.1. Users and administrators should update to macOS Tahoe 26.1 or later to remediate this issue. Patch status is confirmed by the vendor advisory indicating the fix is included in this version.
Description
An access issue was addressed with additional sandbox restrictions. This issue is fixed in macOS Tahoe 26.1. A malicious app may be able to access sensitive user data.
Impact
A malicious application could gain unauthorized access to sensitive user data on affected macOS systems prior to version Tahoe 26.1. This could lead to privacy breaches or data leakage. No further impact details or exploitation reports are provided.
Weaknesses
- CWE-284Improper Access Control (opens in a new tab)
Pillar weaknessCWE Top 25 (2025): #19OWASP Top 10 A01:2025: Broken Access Control (opens in a new tab)
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
MITRE discourages mapping vulnerabilities to this broad entry; the root cause is usually a more specific weakness.