VDB
CVE-2026-43656
CVE-2026-43656
PUBLISHED
CVSS 9.300000190734863 CRITICAL
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.
EPSS 0.07% · 20.9th percentile
Risk Scores
CVSS 4.0
9.300000190734863
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS Score
0.07%
20.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | macOS | 0, 0, 0 |
| Apple | iOS and iPadOS | 0, 0 |
Timeline
- May 11, 2026 CVE Published
- May 12, 2026 Security Advisory
- May 12, 2026 CVE Updated
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
- May 25, 2026 EPSS Score
- May 26, 2026 EPSS Score
References
- https://support.apple.com/en-us/127110 url
- https://support.apple.com/en-us/127111 url
- https://support.apple.com/en-us/127115 url
- https://support.apple.com/en-us/127116 url
- https://support.apple.com/en-us/127117 url
- https://nvd.nist.gov/vuln/detail/CVE-2026-43656 advisory
- https://support.apple.com/en-us/127114 advisory
- https://support.apple.com/en-us/127118 advisory
- https://support.apple.com/en-us/127113 advisory
- https://support.apple.com/en-us/127119 advisory
- https://support.apple.com/en-us/127120 advisory
- https://support.apple.com/en-us/127112 advisory