CVE-2026-112691: An out-of-bounds write issue was addressed with improved input validation

Q: How do I fix CVE-2026-112691?

ipados: upgrade to 26.7.2, 27.2; iphone os: upgrade to 26.7.2, 27.2; visionos: upgrade to 27.2. Exact commands for each OS are on this page.

Q: Is CVE-2026-112691 being exploited?

CVE-2026-112691 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-2026-112691 affect?

CVE-2026-112691 affects ipados, iphone os, visionos. Severity is medium (CVSS 5.5). An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination

Q: How urgent is CVE-2026-112691?

Priority 23/100. No elevated risk signals yet.

Routine

MEDIUM 5.5UPGRADEUPGRADEUPGRADE

CVE-2026-112691 is a medium-severity flaw (CVSS 5.5) affecting ipados, iphone os, visionos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-787
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 21:18 UTCPublished CVE record published
2026-11-03 16:26 UTCUpdated Record last modified

apple ipados UPGRADE

Affected: < 26.7.2 · >= 27.0 and < 27.2

Fixed in: 26.7.2, 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 iphone os UPGRADE

Affected: < 26.7.2 · >= 27.0 and < 27.2

Fixed in: 26.7.2, 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 visionos 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-2026-112691?

ipados: upgrade to 26.7.2, 27.2; iphone os: upgrade to 26.7.2, 27.2; visionos: upgrade to 27.2. Exact commands for each OS are on this page.

Is CVE-2026-112691 being exploited?

CVE-2026-112691 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-2026-112691 affect?

CVE-2026-112691 affects ipados, iphone os, visionos. Severity is medium (CVSS 5.5). An out-of-bounds write issue was addressed with improved input validation. This issue is fixed in iOS 26.7.2 and iPadOS 26.7.2, iOS 27.2 and iPadOS 27.2, visionOS 27.2, watchOS 27.2. An app may be able to cause unexpected system termination

How urgent is CVE-2026-112691?

Priority 23/100. No elevated risk signals yet.

Software pages

iOS vulnerabilities · iPadOS vulnerabilities · watchOS vulnerabilities

Related CVEs

CVE-2026-84605 LOW 3.3 UPGRADE UPGRADE An authorization issue was addressed with improved state management
CVE-2026-84594 MEDIUM 5.5 UPGRADE UPGRADE A logic issue was addressed with improved state management
CVE-2026-112699 MEDIUM 6.5 UPGRADE UPGRADE An out-of-bounds read was addressed with improved bounds checking
CVE-2026-112705 MEDIUM 5.5 UPGRADE UPGRADE An out-of-bounds write issue was addressed with improved bounds checking
CVE-2026-113897 CRITICAL 10.0 UPGRADE UPGRADE This issue was addressed by removing the vulnerable code

References

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