dbcve.org
IpadosOperating system · Apple

CVE-2026-64764

HIGH · 7.8 CVSS v3.1 Developing Published 2026-07-27
Fix available
A fix is available. Upgrade to 14.8.8 / 15.7.8 or later.
See remediation →
81/100
Remediation priority · High
No privileges 3 weeks old

Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.

NVD · unedited
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, iOS 26.6 and iPadOS 26.6, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6, tvOS 26.6, visionOS 26.6, watchOS 26.6. Processing a maliciously crafted file may lead to unexpected app termination or arbitrary code execution.

In the news

Third-party coverage
Trending covered by 1 outlet this week · latest 6d ago

Surfaced from public web coverage — external links open in a new tab.

Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.

dbcve analysis · low confidence
Developing — this CVE was published recently and its authoritative NVD entry is still being established, so we're holding a technical summary until the source data settles rather than publish something unreliable. Re-checking after 2026-08-10.

Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.

NVD · CPE data
IpadosOperating system
Affected:< 26.6
Iphone OsOperating system
Affected:< 26.6
macOSOperating system
Affected:>= 14.0, < 14.8.8>= 15.0, < 15.7.8>= 26.0, < 26.6
TvosOperating system
Affected:< 26.6
VisionosOperating system
Affected:< 26.6
WatchosOperating system
Affected:< 26.6

CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.

From the vector
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.

dbcve · scoped
Upgrade available Upgrade to 14.8.8 / 15.7.8 / 26.6 or later
Fixed in 14.8.815.7.826.6
Recommended fix High confidence

Upgrade to iOS 26.6, iPadOS 26.6, macOS 14.8.8/15.7.8, tvOS 26.6, visionOS 26.6, or watchOS 26.6 as applicable to your device

  1. Identify the Apple device type (iPhone, iPad, Mac, Apple TV, Apple Vision Pro, or Apple Watch)
  2. Navigate to Settings > General > Software Update on the device
  3. Ensure the device is connected to Wi-Fi and has sufficient battery or is charging
  4. Download and install the latest available security update from Apple
  5. For Macs: Open System Settings > General > Software Update, or use the Software Update preference pane
  6. Confirm the device restarts and applies the update
  7. Verify the installed version matches the fixed release: iOS/iPadOS 26.6, macOS 14.8.8 (Sonoma) or 15.7.8 (Sequoia), tvOS 26.6, visionOS 26.6, watchOS 26.6
Caveat Standard Apple update risks apply - backup device before updating; some older apps may be incompatible with major OS updates

Generated from the published advisory — verify against the referenced sources before acting.

We can perform the upgrade in your staging environment and verify nothing breaks — typical engagement from $3,200. Get the upgrade done

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2026-64764 in production — separate from our analysis above.

No notes yet

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What this is

A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.

What belongs here
  • Verified mitigations, workarounds, and config changes
  • Version or environment caveats, and links to real fixes
  • No weaponised exploit code, or anything meant to cause harm
  • No spam, self-promotion, credentials, or personal data