Out-of-bounds write in Apple iOS, iPadOS and macOS PDF processing
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Apple iOS, iPadOS and macOS contain an out-of-bounds write (CWE-787) that is addressed with improved bounds checking. Processing a maliciously crafted PDF file may lead to memory corruption. The CVSS 3.1 base score is 7.8 (HIGH), and CISA has not added the issue to its KEV catalog.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
Description from the CNA
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2. Processing a maliciously crafted PDF file may lead to memory corruption.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
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 26.7.2; before 27.2 | 26.7.2, 27.2 | Patch available | CNA |
| Apple | macOS | before 15.8.2; before 26.7.2 | 15.8.2, 26.7.2 | Patch available | CNA |
- iOS and iPadOS VendorApple Affected before 26.7.2; before 27.2 Fixed in 26.7.2, 27.2 Patch available CNA
- macOS VendorApple Affected before 15.8.2; before 26.7.2 Fixed in 15.8.2, 26.7.2 Patch available CNA
CPE configurations NVD · 3
Remediation
Update iOS and iPadOS to 26.7.2 or 27.2, and update macOS Sequoia to 15.8.2 or macOS Tahoe to 26.7.2.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
- Fix · CNA iOS and iPadOS (Apple) Fixed in 26.7.2, 27.2
- Fix · CNA macOS (Apple) Fixed in 15.8.2, 26.7.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple iOS and iPadOS 26.7.2, 27.2
118 records Highest priority Priority MEDIUM 28 MEDIUM, 90 LOW
Other records, highest priority first
- TI-2026-80879 Apple iOS, macOS and visionOS flaw allows WebContent sandbox escapePriority MEDIUM 51
- TI-2026-80785 Use-after-free in Apple iOS, iPadOS, macOS and other systemsPriority MEDIUM 48
- TI-2026-80867 Resource exhaustion in Apple iOS, iPadOS, macOS and visionOSPriority MEDIUM 41
- Release ·
Apple macOS 15.8.2, 26.7.2
4 records Highest priority Priority LOW 4 LOW
Other records, highest priority first
- TI-2026-80644 Out-of-bounds write in Apple macOS lets local apps write kernel memoryPriority LOW 35
- TI-2026-80839 Out-of-bounds write in Apple iOS, iPadOS and macOS PDF handlingPriority LOW 26
- TI-2026-80819 Out-of-bounds read in Apple operating systems leaks process memoryPriority LOW 24
Timeline
- 2026-10-26 Threatist record created from CVE-2026-112610
- 2026-10-27 Alias added: GHSA-x77p-77v9-5pfw
- 2026-11-04 CVSS score added · CISA ADP
- 2026-11-04 Weakness changed · CISA ADP
- 2026-11-04 CISA SSVC decision points changed
- 2026-11-04 CVSS score added · NVD
- 2026-11-04 Weakness changed · NVD
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-2026-112610 · CVE Program
- CVE-2026-112610 · NVD
- FIRST EPSS
- GHSA-x77p-77v9-5pfw · 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