CVE-2018-4344A memory corruption issue was addressed with improved memory handling.
Updated under an hour ago ()
Does this affect you?
It affects apple iphone_os and 3 other products. Add what you run to find out whether that includes you.
CISA lists it as known exploited since Jun 27, 2022; federal agencies had to remediate by Jul 18, 2022. Treat that date as your deadline.
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A memory corruption issue was addressed with improved memory handling. This issue affected versions prior to iOS 12, macOS Mojave 10.14, tvOS 12, watchOS 5.
- CVSS
- 7.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-119
- Known exploited
- Added to CISA KEV Jun 27, 2022; federal remediation due Jul 18, 2022Apply updates per vendor instructions.
- EPSS (exploitation in the next 30 days)
- 2.37% (percentile 84)
- Assigned by
- apple
- NVD analysis
- Analyzed
- Record last updated
- Oct 21, 2025
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
apple iphone_os apple:iphone_os | before 12.0 | NVD |
apple mac_os_x apple:mac_os_x | before 10.14 | NVD |
apple tvos apple:tvos | before 12.0 | NVD |
apple watchos apple:watchos | before 5.0 | NVD |
References
- https://support.apple.com/kb/HT209107x-refsource-misc, release-notes, vendor-advisory
- https://support.apple.com/kb/HT209106x-refsource-misc, release-notes, vendor-advisory
- https://support.apple.com/kb/HT209139x-refsource-misc, release-notes, vendor-advisory
- https://support.apple.com/kb/HT209108x-refsource-misc, release-notes, vendor-advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-4344us-government-resource
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.