Out-of-bounds write in Apple macOS, tvOS and visionOS
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · 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 macOS before 15.8.2, 26.7.2 and 27.2, tvOS before 27.2 and visionOS before 27.2 contain an out-of-bounds write (CWE-787). Processing a maliciously crafted file can write outside the intended memory bounds and terminate the app unexpectedly. A remote attacker needs no privileges, but a user must interact with the crafted file.
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 macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2. Processing a maliciously crafted file may lead to unexpected app termination.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 | macOS | before 15.8.2; before 26.7.2; before 27.2 | 15.8.2, 26.7.2, 27.2 | Patch available | CNA |
| Apple | tvOS | before 27.2 | 27.2 | Patch available | CNA |
| Apple | visionOS | before 27.2 | 27.2 | Patch available | CNA |
Remediation
Apple fixes this in macOS 15.8.2, 26.7.2 and 27.2, tvOS 27.2 and visionOS 27.2.
Written with Claude Haiku 5.5 from the sources below · 2026-11-04
- Fix · CNA macOS (Apple) Fixed in 15.8.2, 26.7.2, 27.2
- Fix · CNA tvOS (Apple) Fixed in 27.2
- Fix · CNA visionOS (Apple) Fixed in 27.2
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Apple macOS 15.8.2, 26.7.2, 27.2
166 records Highest priority Priority MEDIUM 29 MEDIUM, 137 LOW
Other records, highest priority first
- TI-2026-80879 Apple iOS, macOS and visionOS flaw allows WebContent sandbox escapePriority MEDIUM 51
- TI-2026-80811 Out-of-bounds write in Apple macOS allows system terminationPriority MEDIUM 50
- TI-2026-80633 Buffer overflow in Apple macOS allows remote app crashesPriority MEDIUM 50
- Release ·
Apple visionOS 27.2
124 records Highest priority Priority MEDIUM 34 MEDIUM, 90 LOW
Other records, highest priority first
- TI-2026-80879 Apple iOS, macOS and visionOS flaw allows WebContent sandbox escapePriority MEDIUM 51
- TI-2026-80671 Sandbox escape in Apple Safari and other Apple platformsPriority MEDIUM 50
- TI-2026-80785 Use-after-free in Apple iOS, iPadOS, macOS and other systemsPriority MEDIUM 48
Show 1 more group
- Release ·
Apple tvOS 27.2
72 records Highest priority Priority MEDIUM 16 MEDIUM, 56 LOW
Other records, highest priority first
- TI-2026-80785 Use-after-free in Apple iOS, iPadOS, macOS and other systemsPriority MEDIUM 48
- TI-2026-80618 Memory corruption in Apple platforms via crafted video filePriority MEDIUM 42
- TI-2026-80853 Use-after-free in Apple Safari and iOS enables code executionPriority MEDIUM 41
Timeline
- 2026-10-26 Threatist record created from CVE-2026-112563
- 2026-10-27 Alias added: GHSA-hwcx-r8fm-qmj5
- 2026-11-04 CVSS score added · CISA ADP
- 2026-11-04 Weakness changed · CISA ADP
- 2026-11-04 CISA SSVC decision points changed
References
More Apple Macos vulnerabilities
- TI-2026-46583 Improper authentication in Apple macOS KEVCVSS 3.1CRITICAL 9.8
- 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
Sources
- CVE-2026-112563 · CVE Program
- CVE-2026-112563 · NVD
- FIRST EPSS
- GHSA-hwcx-r8fm-qmj5 · 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