CVE-2026-43738: The issue was addressed with improved memory handling
Source GCVE Database
Not known to be exploited · CVSS 5.5 Medium : upgrade to 27 or 18.7.10 when convenient.
Data as of 30 Oct 2026, 11:52 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 5.5 |
|---|
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 27, 18.7.10, 15.7.8 +1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 27 Jul 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by 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 30 Oct 2026.
What to do
Upgrade iOS and iPadOS to 27 or 18.7.10; macOS to 27, 15.7.8 or 14.8.8.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
AI-suggested
This vulnerability is fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8. Users and administrators should apply these updates to remediate the issue. No further mitigation actions are indicated by the vendor advisory.
Description
CVE-2026-43738 is a medium severity vulnerability in macOS that involves improper memory handling when processing asset catalogs. This flaw could allow an attacker to cause disclosure of process memory by using a maliciously crafted asset catalog. The issue has been fixed in macOS Sequoia 15.7.8 and macOS Sonoma 14.8.8.
References
- nvd.nist.gov/vuln/detail/CVE-2026-43738 (opens in a new tab)
- support.apple.com/en-us/128071 (opens in a new tab)
- support.apple.com/en-us/128072 (opens in a new tab)
- support.apple.com/en-us/148287 (opens in a new tab)
- support.apple.com/en-us/149034 (opens in a new tab)
- support.apple.com/en-us/149035 (opens in a new tab)