CVE-2026-43774 Vulnerability Analysis & Exploit Details

CVE-2026-43774
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2026-43774 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: None
    No privileges are required for exploitation.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2026-43774 Details

Status: Analyzed

Last updated: 🕢 29 Jul 2026, 19:32 UTC
Originally published on: 🕘 27 Jul 2026, 21:17 UTC

Time between publication and last update: 1 days

CVSS Release: version 3

CVSS3 Source

134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-43774 Vulnerability Summary

CVE-2026-43774: An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Sequoia 15.7.8, macOS Sonoma 14.8.8, macOS Tahoe 26.6. An app may be able to access sensitive user data.

Assessing the Risk of CVE-2026-43774

Access Complexity Graph

The exploitability of CVE-2026-43774 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2026-43774

With low attack complexity and no required privileges, CVE-2026-43774 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2026-43774, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2026-43774, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: High
    Exploiting CVE-2026-43774 can result in unauthorized access to sensitive data, severely compromising data privacy.
  • Integrity: None
    CVE-2026-43774 poses no threat to data integrity.
  • Availability: None
    CVE-2026-43774 does not impact system availability.

CVE-2026-43774 References

External References

CWE Common Weakness Enumeration

CWE-787

Vulnerable Configurations

  • cpe:2.3:o:apple:macos:14.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.1.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.1.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.1.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.1.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.2.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.2.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.4:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.4.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.4.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.7:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.7:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.7.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.7.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.7.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.7.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.7.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.7.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.7.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.7.4:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.7.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.7.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.7.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.7.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.7.7:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.7.7:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.7.8:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.7.8:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.8:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.8:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.8.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.8.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.8.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.8.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.8.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.8.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.8.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.8.4:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.8.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.8.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:14.8.7:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:14.8.7:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.0:-:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.0:-:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.0:beta3:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.0:beta3:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.1.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.1.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.3.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.3.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.3.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.3.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.4:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.4.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.4.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.6:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.6:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.6.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.6.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.7:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.7:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.7.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.7.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.7.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.7.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.7.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.7.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.7.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.7.4:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.7.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.7.5:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:15.7.7:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:15.7.7:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:26.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:26.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:26.0.0:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:26.0.0:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:26.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:26.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:26.2:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:26.2:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:26.3:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:26.3:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:26.3.1:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:26.3.1:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:26.4:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:26.4:*:*:*:*:*:*:*
  • cpe:2.3:o:apple:macos:26.5:*:*:*:*:*:*:*
    cpe:2.3:o:apple:macos:26.5:*:*:*:*:*:*:*

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