CVE-2026-112459: A race condition was addressed with improved state handling

Q: How do I fix CVE-2026-112459?

ipados: upgrade to 27.2; iphone os: upgrade to 27.2; macos: upgrade to 27.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-112459 being exploited?

CVE-2026-112459 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-112459 affect?

CVE-2026-112459 affects ipados, iphone os, macos. Severity is high (CVSS 7.0). A race condition was addressed with improved state handling. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination or corrupt kernel memor

Routine

HIGH 7.0UPGRADEUPGRADEUPGRADE

CVE-2026-112459 is a high-severity flaw (CVSS 7.0) affecting ipados, iphone os, macos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	7.0 (High)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-362
Published	2026-10-26
Last modified	2026-11-03

Publisher (CNA): Apple Inc. · Vendor: apple

Last updated 2026-11-03 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-26 21:17 UTCPublished CVE record published
2026-11-03 21:19 UTCUpdated Record last modified

apple ipados UPGRADE

Affected: < 27.2

Fixed in: 27.2

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

apple iphone os UPGRADE

Affected: < 27.2

Fixed in: 27.2

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

apple macos UPGRADE

Affected: >= 27.0 and < 27.2

Fixed in: 27.2

Safe to downgrade to: a release before 27.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

apple tvos UPGRADE

Affected: < 27.2

Fixed in: 27.2

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

apple watchos UPGRADE

Affected: < 27.2

Fixed in: 27.2

Safe to downgrade to: no unaffected older release

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-112459?

ipados: upgrade to 27.2; iphone os: upgrade to 27.2; macos: upgrade to 27.2. Exact commands for each OS are on this page.

Is CVE-2026-112459 being exploited?

CVE-2026-112459 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-112459 affect?

CVE-2026-112459 affects ipados, iphone os, macos. Severity is high (CVSS 7.0). A race condition was addressed with improved state handling. This issue is fixed in iOS 27.2 and iPadOS 27.2, macOS Golden Gate 27.2, tvOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination or corrupt kernel memor

How urgent is CVE-2026-112459?

Priority 28/100. High severity

Software pages

iOS vulnerabilities · macOS vulnerabilities · iPadOS vulnerabilities · watchOS vulnerabilities · tvOS vulnerabilities

Related CVEs

CVE-2026-112425 LOW 3.3 UPGRADE UPGRADE An out-of-bounds read was addressed with improved bounds checking
CVE-2026-112432 MEDIUM 6.2 UPGRADE UPGRADE A logging issue was addressed with improved data redaction
CVE-2026-112461 HIGH 7.8 UPGRADE UPGRADE An out-of-bounds write issue was addressed with improved bounds checking
CVE-2026-112464 HIGH 7.8 UPGRADE UPGRADE An out-of-bounds write issue was addressed with improved input validation
CVE-2026-84627 HIGH 7.8 UPGRADE UPGRADE A buffer overflow was addressed with improved bounds checking

References

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