VulnerabilityAnalyzed
CVE-2026-43747
An out-of-bounds read was addressed with improved bounds checking.
HIGH 7.1EPSS 0.18%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.18%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. Parsing a maliciously crafted file may lead to an unexpected app termination.
- CVSS 3.1
- 7.1 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H
- EPSS
- 0.18% probability · 8th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- apple/macos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128071Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128072Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.