CVE-2026-43656
May 12, 2026, 6:17 p.m.
7.3
High
Description
An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 18.7.9 and iPadOS 18.7.9, iOS 26.5 and iPadOS 26.5, macOS Sequoia 15.7.7, macOS Sonoma 14.8.7, macOS Tahoe 26.5. Parsing a maliciously crafted file may lead to an unexpected app termination.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Apple |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-787
Out-of-bounds Write
The product writes data past the end, or before the beginning, of the intended buffer.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | apple | ios | 18.7.9 | / | / | / | / | / | / | / |
| a | apple | ipados | 18.7.9 | / | / | / | / | / | / | / |
| a | apple | macos_sequoia | 15.7.7 | / | / | / | / | / | / | / |
| a | apple | macos_sonoma | 14.8.7 | / | / | / | / | / | / | / |
| a | apple | macos_tahoe | 26.5 | / | / | / | / | / | / | / |
Tags
CVSS Score
CVSS Data - 3.1
- Attack Vector: NETWORK
- Attack Complexity: LOW
- Privileges Required: NONE
- Scope: UNCHANGED
- Confidentiality Impact: LOW
- Integrity Impact: LOW
- Availability Impact: LOW
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Timeline
Published: May 11, 2026, 9:19 p.m.
Last Modified: May 12, 2026, 6:17 p.m.
Last Modified: May 12, 2026, 6:17 p.m.
Status : Undergoing Analysis
CVE has been recently published to the CVE List and has been received by the NVD.
More infoSource
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.