LiveActive security incident?Get immediate response
CVE Record

CVE-2021-30926: Description: A memory corruption issue in the processing of ICC profiles was addressed with improved input...

Description: A memory corruption issue in the processing of ICC profiles was addressed with improved input validation. This issue is fixed in macOS Monterey 12.1, watchOS 8.3, iOS 15.2 and iPadOS 15.2, tvOS 15.2. Processing a maliciously crafted image may lead to arbitrary code execution.

UnknownCVSS not scoredNot KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

Apple fixed a memory corruption flaw triggered by maliciously crafted images containing ICC profile data. If an affected device processed such an image, arbitrary code execution could result. The bundle does not provide CVSS, exact vulnerable version ranges, or evidence of active exploitation.

Executive priority

Prioritize patch compliance for Apple fleets because the impact is code execution from image processing. Urgency is elevated by broad exposure, but active exploitation is not supported by the provided sources.

Technical view

CVE-2021-30926 is an Apple image-processing memory corruption issue involving ICC profiles. Apple addressed it with improved input validation in macOS Monterey 12.1, iOS/iPadOS 15.2, watchOS 8.3, and tvOS 15.2. Affected pre-fix versions are not precisely listed.

Likely exposure

Exposure is likely on Apple endpoints and devices running versions older than the fixed releases, especially where images are processed through apps, browsers, messaging, mail, or documents. Exact vulnerable version ranges are unspecified in the source bundle.

Exploitation context

The source states that processing a maliciously crafted image may lead to arbitrary code execution. The bundle marks KEV as false and provides no cited evidence of active exploitation or public weaponization.

Researcher notes

The bundle lacks CVSS, CWE, root-cause detail beyond memory corruption, and exact affected version ranges. Treat scope conservatively across the named Apple platforms until Apple advisory mapping confirms coverage.

Mitigation direction

  • Update macOS Monterey systems to 12.1 or later.
  • Update iOS and iPadOS devices to 15.2 or later.
  • Update watchOS devices to 8.3 or later.
  • Update tvOS devices to 15.2 or later.
  • Check Apple guidance for older macOS lines and unsupported devices.

Validation and detection

  • Inventory Apple devices and record operating system versions.
  • Confirm MDM compliance policies require the fixed releases or newer.
  • Identify devices unable to update and document compensating controls.
  • Review endpoint exposure to routine image processing workflows.
  • Track Apple security advisories for any updated affected-version guidance.
Prepared
Confidence
medium
Sources
9

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2021-30926 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
0Timeline events
0ADP providers
8Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
ApplewatchOSunspecifiedListed
AppleiOS and iPadOSunspecifiedListed
ApplemacOSunspecifiedListed
ApplemacOSunspecifiedListed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.