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Not in CISA KEV
HIGH severity

CVE-2026-112477 — IOS And IPadOS

HIGH

CVE-2026-112477 is a high-severity (CVSS 7) CWE-362 vulnerability in Apple iOS and iPadOS. A fix is available — see the affected versions and patch details below.

A race condition was addressed with improved locking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS…

Published
Updated
Affected
5 products
Patched
See advisory
Exploits
None indexed
Exploitation data as of Nov 3, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

EPSS Exploitation Probability

via FIRST.org ↗
0.2%probability of exploitation in next 30 days
Lower Risk0.00%
Lower risk than most CVEs14th percentile — riskier than 14% of all scored CVEsHighest risk
0.00%0.24%0.49%0.73%0.2%0.2%Nov 26Nov 26

Probability of exploitation in the next 30 days, from FIRST.org EPSS.

How urgent is this, really

Where this sits among everything scored

Description

A race condition was addressed with improved locking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination or corrupt kernel memory.

Affected Products

5 products · 5 configurations
Application
iOS and iPadOSApple
< 26.7.2
2 versions
00
Application
macOSApple
< 15.8.2
3 versions
000
Application
tvOSApple
< 27.2
1 version
0
Application
visionOSApple
< 27.2
1 version
0
Application
watchOSApple
< 27.2
1 version
0

Detection & mitigation playbook

Vendor / appliance

  1. Detect

    Inventory every Apple iOS and iPadOS deployment and check each version against the affected-products list above.

  2. Fix

    Apply the Apple iOS and iPadOS security patch or hotfix for CVE-2026-112477 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    If you can't upgrade right away: gate or disable the affected feature, validate untrusted input at the boundary, and avoid passing attacker-controlled data into the vulnerable path. O3's runtime protection blocks exploitation in production as an interim safeguard until the upgrade lands. Alongside that, restrict the management interface to trusted networks and apply the vendor's recommended configuration mitigations.

Frequently Asked Questions

A race condition was addressed with improved locking. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, macOS Sequoia 15.8.2, macOS Tahoe 26.7.2, tvOS 27.2, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination or corrupt kernel memory.
O3 Security · Runtime Protection

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Detect and block the exploit chain at execution, on systems you cannot patch yet.

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CVE-2026-112477: IOS And IPadOS (High 7)