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CVE-2026-28865 is an authentication vulnerability in Apple’s 802.1X implementation affecting multiple Apple operating systems, including iOS, iPadOS, macOS, tvOS, visionOS, and watchOS. Apple states the issue was caused by improper state management in the authentication flow and was corrected through improved state management. A successful attacker positioned on the network with privileged access may be able to interfere with the 802.1X authentication process and intercept network traffic. The available information identifies the flaw at a high level only and does not disclose the specific vulnerable function or code path.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
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.
13 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
An 802.1X authentication flaw that could allow privileged network attackers to intercept traffic.
An authentication issue that could allow a privileged network-position attacker to intercept network traffic.
A high-severity AirPlay/networking authentication issue that could allow a privileged network-position attacker to intercept network traffic.
An authentication issue in macOS Sequoia that could allow an attacker in a privileged network position to intercept network traffic.
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.