CVE-2026-64788 json
The issue was addressed with improved memory handling.
published 2mo ago modified 16d 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 17%
- 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
Is CVE-2026-64788 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2mo ago
Exploit prediction
0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-11).
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 Intel 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.