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CVE Record

CVE-2022-26707: An issue in the handling of environment variables was addressed with improved validation.

An issue in the handling of environment variables was addressed with improved validation. This issue is fixed in macOS Monterey 12.4. A user may be able to view sensitive user information.

MediumCVSS 5.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This macOS vulnerability could let a local user view sensitive user information because environment variables were not handled with sufficient validation. Apple fixed the issue in macOS Monterey 12.4. The business risk is mainly confidentiality exposure on unpatched Macs, not remote takeover.

Executive priority

Treat this as a moderate patching priority. It is not described as remotely exploitable, but it can expose sensitive user information where local access exists.

Technical view

CVE-2022-26707 is a CWE-20 input validation issue in macOS environment-variable handling. The CVSS 3.1 vector is local, low complexity, low privileges, no user interaction, unchanged scope, and high confidentiality impact only.

Likely exposure

Exposure is most likely on Apple macOS systems not updated to macOS Monterey 12.4 or later. The source bundle does not identify exact vulnerable builds beyond Apple’s fixed-version statement.

Exploitation context

Sources do not report active exploitation, and the CVE is not listed as KEV. Exploitation requires local access with low privileges, so risk rises on shared Macs, developer workstations, and systems with many local users.

Researcher notes

Public details are sparse. The bundle identifies environment-variable validation, confidentiality impact, and Apple’s fixed version, but not the affected component, exact vulnerable builds, or proof-of-concept status.

Mitigation direction

  • Update affected Macs to macOS Monterey 12.4 or later.
  • Check Apple’s advisory for any newer platform-specific guidance.
  • Prioritize shared, developer, and privileged-user workstations.
  • Limit unnecessary local user access on sensitive Macs.

Validation and detection

  • Inventory macOS versions across managed endpoints.
  • Confirm Monterey systems are at 12.4 or later.
  • Identify shared Macs or hosts with multiple local users.
  • Review endpoint management reports for update failures.
Prepared
Confidence
medium
Sources
3

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

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ATT&CK lookup starting points

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cwe · low confidence lookup

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cve · low confidence lookup

CVE-2022-26707 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.5CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N1.83.6Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2022-26707Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
ApplemacOSunspecifiedListed
Weakness

CWE details

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