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Report · Zero Day InitiativeAbout CVE-2026-112656Published

ZDI-26-831: Apple macOS CoreText GDEF LigCaretList Out-Of-Bounds Read Information Disclosure Vulnerability

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Authoritative record:CVE-2026-112656· High

Not known to be exploited : upgrade to 27.2 or 26.7.2 soon.

Data as of 30 Oct 2026, 06:59 UTC

Severity
High

Rated High by Zero Day Initiative · CVSS not yet scored by NVD

Thin evidence

One scorer or none
EPSS
0.2% chance of exploitation in 30 days – higher than 15% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 27.2, 26.7.2, 15.8.2

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 26 Oct 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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 29 Oct 2026.

What to do

Upgrade iOS and iPadOS to 27.2 or 26.7.2; macOS to 27.2, 26.7.2 or 15.8.2; tvOS and visionOS and watchOS to 27.2.

Affected software

ProductAffectedFixed in
AppleiOS and iPadOSAffected
  • <27.2
Fixed in
  • 27.2
AppleiOS and iPadOSAffected
  • <26.7.2
Fixed in
  • 26.7.2
ApplemacOSAffected
  • <27.2
Fixed in
  • 27.2
ApplemacOSAffected
  • <26.7.2
Fixed in
  • 26.7.2
ApplemacOSAffected
  • <15.8.2
Fixed in
  • 15.8.2
AppletvOSAffected
  • <27.2
Fixed in
  • 27.2

AI-suggested

Users should exercise caution when opening files or visiting webpages from untrusted sources.

Description

An information disclosure vulnerability exists in Apple macOS CoreText related to the GDEF LigCaretList component. Exploitation requires user interaction, such as visiting a malicious webpage or opening a malicious file. The vulnerability has a low severity rating.

References

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