Apple iOS and iPadOS: Turning off "Load remote content in messages” may not apply to all…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
A logic issue was addressed with improved checks. This issue is fixed in iOS 18.7.5 and iPadOS 18.7.5, macOS Sequoia 15.7.4, macOS Sonoma 14.8.4, macOS Tahoe 26.3. Turning off "Load remote content in messages” may not apply to all mail previews.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Apple | iOS and iPadOS | before 18.7.5 | 18.7.5 | Patch available | CNA |
| Apple | macOS | before 14.8.4; before 15.7.4; before 26.3 | 14.8.4, 15.7.4, 26.3 | Patch available | CNA |
Remediation
- Fix · CNA iOS and iPadOS (Apple) Fixed in 18.7.5
- Fix · CNA macOS (Apple) Fixed in 14.8.4, 15.7.4, 26.3
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 14.8.4, 15.7.4, 26.3
25 records Highest priority Priority MEDIUM 1 MEDIUM, 24 LOW
Other records, highest priority first
- TI-2026-16733 Time-of-check time-of-use race condition in Apple iOS and iPadOSPriority MEDIUM 41
- TI-2026-16723 Protection mechanism failure in Apple iOS and iPadOSPriority LOW 39
- TI-2026-16731 Out-of-bounds read in Apple iOS and iPadOSPriority LOW 36
- Release ·
Apple iOS and iPadOS 18.7.5
4 records Highest priority Priority MEDIUM 1 MEDIUM, 3 LOW
Other records, highest priority first
- TI-2026-16673 Out-of-bounds write in Apple iOS and iPadOSPriority MEDIUM 41
- TI-2026-16662 Memory corruption in Apple iOS and iPadOSPriority LOW 21
- TI-2026-16713 Improper authorization in Apple SafariPriority LOW 15
Timeline
- 2026-10-02 Threatist record created from CVE-2026-20673
- 2026-10-03 Alias added: GHSA-74vw-h65p-vr44
References
More Apple Ipados vulnerabilities
- TI-2025-28008 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2025-22441 Apple iOS and iPadOS: An attacker with arbitrary read and write capability may be able to… KEVCVSS 3.1CRITICAL 9.8
- TI-2025-22440 Memory corruption in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
- TI-2025-17951 Out-of-bounds write in Apple Safari KEVCVSS 3.1CRITICAL 10.0
- TI-2025-17847 Use after free in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 10.0
- TI-2022-06854 Out-of-bounds write in Apple iOS and iPadOS KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-20673 · CVE Program
- CVE-2026-20673 · NVD
- FIRST EPSS
- GHSA-74vw-h65p-vr44 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences