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macOS Tahoe Logging Redaction Issue Leaking Location Data

IdentifiersCVE-2026-20646CWE-532· Insertion of Sensitive Information…

The provided content indicates a logging issue in macOS that was addressed by improving data redaction. Prior to the fix, log output could include insufficiently redacted sensitive location information, allowing a malicious application to read that location data from logs. The issue is reported as fixed in macOS Tahoe 26.3.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

A malicious local application may be able to access sensitive user location information by reading it from system/application logs due to insufficient redaction, resulting in a privacy breach (location disclosure).

Mitigation

If you can’t patch tonight, do this now.

Until macOS Tahoe 26.3 can be deployed, limit installation/execution of untrusted applications (e.g., application allowlisting/MDM controls) and restrict access to system logs where feasible to reduce the likelihood that sensitive location data can be read from logging output.

Remediation

Patch, then assume compromise.

Upgrade to macOS Tahoe 26.3, which includes improved data redaction to address the logging issue.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType
AppleMacosoperating_system
AppleMacos Tahoeoperating_system

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

3 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

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Associated malware

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Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity2

Community discussion across Reddit, Mastodon, and other social sources.