CVE-2026-43738

MEDIUM 5.5 ALL-YEARS

Published 2026-07-27 · Last modified 2026-09-14 · apple · NVD: Modified

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 27 and iPadOS 27, macOS Golden Gate 27, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. Processing a maliciously crafted asset catalog may result in disclosure of process memory.

LIMITED SIGNALS

No known exploitation, public exploit, or elevated probability at this time. Track for changes.

Exploitation likelihood

0.2%chance of exploitation in 30 days · 6th percentile

○ In CISA KEV○ Catalogued PoC◆ SSVC: exploitation none, automatable no

Impact if exploited

5.5CVSS 3.1 · MEDIUM · ADP

ConfidentialityHigh
IntegrityNone
AvailabilityNone

What an attacker needs

⚠Access: Requires local access to the host
✓Privileges: No account or privileges required
⚠User interaction: A user must take an action (click / open a file)
✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

No public PoC is currently catalogued.

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Affected

Vendors Apple

Products Ios And Ipados Macos

Weakness (CWE)

CWE-125: Out-of-bounds Read

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References and research data (JSON)

Known Affected Software Configurations

Vendor	Product	Version range
Apple	Macos	≥ 14.0 and < 14.8.8
Apple	Macos	≥ 15.0 and < 15.7.8

All CVSS metrics

MEDIUM 5.5 v3.1 · ADP Primary
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
MEDIUM 5.5 v3.1 · NVD Secondary
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

References

Advisories

https://support.apple.com/en-us/128071 Release NotesVendor AdvisoryCVE record · apple · Updated 2026-09-14T20:48:13.515Z
NVD · CVE-2026-43738 · Updated 2026-10-24T13:10:00.147
https://support.apple.com/en-us/128072 Release NotesVendor AdvisoryCVE record · apple · Updated 2026-09-14T20:48:13.515Z
NVD · CVE-2026-43738 · Updated 2026-10-24T13:10:00.147
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-49482 ADVISORYEUVD · EUVD-2026-49482

Technical & other

https://support.apple.com/en-us/148287CVE record · apple · Updated 2026-09-14T20:48:13.515Z
NVD · CVE-2026-43738 · Updated 2026-10-24T13:10:00.147
https://support.apple.com/en-us/149034CVE record · apple · Updated 2026-09-14T20:48:13.515Z
NVD · CVE-2026-43738 · Updated 2026-10-24T13:10:00.147
https://support.apple.com/en-us/149035CVE record · apple · Updated 2026-09-14T20:48:13.515Z
NVD · CVE-2026-43738 · Updated 2026-10-24T13:10:00.147

Sources: NVD · CVE.org · All sources and attribution · EPSS