CVE-2026-64778: The issue was addressed with improved checks
Source GCVE Database
Not known to be exploited · CVSS 6.5 Medium : upgrade to 26.6.1 when convenient.
Data as of 30 Oct 2026, 11:52 UTC
Thin evidence
One scorer or none| CISA-ADP | CVSS 3.1 | 6.5 |
|---|
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 27% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 26.6.1, 18.7.10, 26.6.2 +1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 17 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| AppleSafari | Affected
| Fixed in
|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| AppleiOS and iPadOS | Affected
| Fixed in
|
| ApplemacOS | Affected
| Fixed in
|
| AppletvOS | Affected
| Fixed in
|
| ApplevisionOS | Affected
| Fixed in
|
AI-suggested
A fix is available and included in iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, and macOS Tahoe 26.6.2. Users and administrators should apply these updates to remediate the vulnerability.
Description
CVE-2026-64778 is a medium severity vulnerability affecting iOS, iPadOS, and macOS Tahoe. The issue allows sensitive data leakage when a user visits a maliciously crafted website. The vulnerability has been addressed with improved checks in iOS 18.7.10, iPadOS 18.7.10, iOS 26.6.1, iPadOS 26.6.1, and macOS Tahoe 26.6.2.
References
- nvd.nist.gov/vuln/detail/CVE-2026-64778 (opens in a new tab)
- support.apple.com/en-us/148281 (opens in a new tab)
- support.apple.com/en-us/148282 (opens in a new tab)
- support.apple.com/en-us/148286 (opens in a new tab)
- support.apple.com/en-us/148287 (opens in a new tab)
- support.apple.com/en-us/149036 (opens in a new tab)
- support.apple.com/en-us/149037 (opens in a new tab)
- support.apple.com/en-us/149038 (opens in a new tab)