Access Control Flaw in macOS Affecting User Data
CVE-2026-43760

8.6HIGH

Key Information:

Vendor

Apple

Status
Vendor
CVE Published:
27 July 2026

Badges

📈 Score: 731👾 Exploit Exists📰 News Worthy

What is CVE-2026-43760?

CVE-2026-43760 is a vulnerability affecting Apple's macOS operating system, specifically concerning an access control flaw that can have serious ramifications for user data confidentiality. This flaw permits unauthorized applications to potentially access sensitive user information, which could enable malicious actors to exfiltrate personal data, compromise privacy, and exploit user credentials. The issue arises due to inadequate access restrictions, which have been remedied in the latest releases of macOS, including macOS Sonoma 14.8.8 and macOS Tahoe 26.6. It is critical for organizations utilizing macOS to be aware of this vulnerability, as failure to address it may result in significant data breaches and trust erosion among users.

Potential impact of CVE-2026-43760

  1. Data Breach Risks: An exploited access control flaw can lead to unauthorized access to sensitive user data, increasing the likelihood of data breaches, with potential legal and financial repercussions for organizations.

  2. Compromised User Privacy: Organizations risk exposing personal data and sensitive information, undermining user trust and potentially leading to reputational damage as customers become wary of data handling practices.

  3. Increased Attack Surface: The vulnerability broadens the attack surface for malicious entities, providing a vector for further exploitation, including the potential for malware deployment or ransomware attacks if access to critical user data is achieved.

Affected Version(s)

macOS 0 < 14.8.8

macOS 0 < 26.6

News Articles

Apple AI Bug Cap Blocked Critical macOS Screen Sharing Flaw Before Submission

Apple bug bounty AI reports face a new structural problem: the company’s submission cap — introduced to filter AI-generated vulnerability noise — blocked startup Bynario from reporting

3 weeks ago

References

CVSS V3.1

Score:
8.6
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 👾

    Exploit known to exist

  • 📰

    First article discovered by Techtimes

  • Vulnerability published

  • Vulnerability Reserved

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