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Mallory
Medium

CoreMedia private information access in macOS

IdentifiersCVE-2026-28922CWE-362

CVE-2026-28922 is an Apple CoreMedia vulnerability affecting macOS Sonoma, macOS Sequoia, and macOS Tahoe. Apple describes the issue as a state management flaw in CoreMedia that could allow an app to access private information. The vendor states the issue was addressed through improved state management. No further technical detail about the specific vulnerable function, code path, or data exposure mechanism is available in the provided content.

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ANALYST BRIEF

Impact, mitigation & remediation

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Impact

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

A locally running application may be able to access private information that should not have been exposed to it. Based on the vendor description, the impact is unauthorized disclosure of private information within the context of the affected macOS system. The provided content does not specify the exact data types exposed, scope of access, or whether additional privileges are required.

Mitigation

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

If immediate patching is not possible, reduce exposure by limiting execution of untrusted or unnecessary applications, enforcing application allowlisting and least-privilege controls, and restricting local app installation to trusted sources. However, the provided content does not include any Apple-issued workaround beyond installing the fixed releases.

Remediation

Patch, then assume compromise.

Upgrade to a fixed macOS release containing Apple's patch for CoreMedia: macOS Sonoma 14.8.7, macOS Sequoia 15.7.7, or macOS Tahoe 26.5, as applicable.
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

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What this page doesn’t show

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

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.