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Mallory
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Root privilege escalation in macOS StorageKit (CVE-2025-43527)

IdentifiersCVE-2025-43527CWE-269

CVE-2025-43527 is a permissions enforcement flaw in Apple StorageKit on macOS that was addressed by adding additional restrictions. A vulnerable system may allow a malicious application to bypass intended authorization checks and gain root privileges.

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For your environment

Are you exposed to this one?

Mallory correlates every CVE against your assets, your vendors, and active adversary campaigns. Know which vulnerabilities matter for you, not just which ones are loud.

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.

Successful exploitation allows local privilege escalation to root, enabling full system compromise (e.g., disabling security controls, modifying protected system files/configuration, installing persistent components, and accessing data protected by root-only permissions).

Mitigation

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

Where immediate patching is not possible: restrict execution of untrusted apps (application allowlisting / MDM controls), enforce least privilege (avoid running as admin), and increase monitoring for anomalous privilege-escalation behavior (e.g., unexpected root-owned process creation or privileged helper/service installation).

Remediation

Patch, then assume compromise.

Apply Apple security updates that include the fix: macOS Tahoe 26.2 and macOS Sequoia 15.7.3 (and later).
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

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

What this page doesn’t show

The version that knows your environment.

This page is what’s public. Mallory adds the parts that aren’t: which of your assets are affected, which adversaries are exploiting it right now, which detections to deploy, and what to do tonight.
Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

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 activity5

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