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CVE-2026-28864 is a permissions-checking vulnerability in Apple’s Security Framework that could allow a local attacker to gain access to a user’s Keychain items. The issue stems from insufficient permissions enforcement when accessing protected Keychain data. Apple addressed the flaw with improved permissions checking. The vulnerability affects multiple Apple platforms, including iOS, iPadOS, macOS, visionOS, and watchOS, and was fixed in iOS 18.7.7, iPadOS 18.7.7, iOS 26.4, iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, visionOS 26.4, and watchOS 26.4.
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What an attacker gets, and what they’ve been doing with it.
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Patch, then assume compromise.
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No public exploit code observed for this vulnerability.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
15 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A Security Framework permissions flaw that could grant local attackers access to Keychain items.
A permissions-checking issue that may allow a local attacker to access a user's Keychain items.
A permissions checking issue in macOS Sequoia that could allow a local attacker to gain access to a user's Keychain items.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.