CVE-2026-64788 json
The issue was addressed with improved memory handling.
published 2026-08-17 2 mo ago modified 2026-10-26 13 d ago also EUVD-2026-60501
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 16%
- public exploits
- 0
- none known
Summary
The issue was addressed with improved memory handling. This issue is fixed in iOS 26.6.1 and iPadOS 26.6.1, macOS Tahoe 26.6.2, visionOS 27, watchOS 27. Processing maliciously crafted web content may lead to memory corruption.
Patch / fix
- Apple iOS and iPadOS 26.6.1
- Apple macOS 26.6.2
- Apple visionOS 27
- Apple watchOS 27
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N |
Affected products
- Apple iOS and iPadOS
- Apple macOS
- Apple visionOS
- Apple watchOS
Classification
- Weakness
-
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
References
-
support.apple.com
/en-us/148281
release-notes, vendor-advisory
-
support.apple.com
/en-us/148282
release-notes, vendor-advisory
- support.apple.com /en-us/149037
- support.apple.com /en-us/149038
Sources
- CVE List CVE-2026-64788
- NVD CVE-2026-64788
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.