VulnerabilityAnalyzed
CVE-2026-64783
A use-after-free issue was addressed with improved memory management.
HIGH 8.8EPSS 0.43%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.43%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.6, iOS 26.6 and iPadOS 26.6, macOS Tahoe 26.6, visionOS 26.6, watchOS 26.6. Processing maliciously crafted web content may lead to an unexpected Safari crash.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.43% probability · 36th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- apple/safari · apple/ipados · apple/iphone os · apple/macos · apple/visionos · apple/watchos
- Source
- product-security@apple.com
References
- https://support.apple.com/en-us/128066Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128067Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128068Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128070Release Notes, Vendor Advisory
- https://support.apple.com/en-us/128073Release Notes, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.