802.1X authentication flaw allowing network traffic interception
CVE-2026-28865 is an authentication issue in Apple’s 802.1X implementation. Apple states the issue was addressed through improved state management. A successful attack could allow an attacker in a privileged network position to intercept network traffic. The vulnerability affects multiple Apple platforms prior to the fixed releases, including iOS 18.7.7 and iPadOS 18.7.7, iOS 26.4 and iPadOS 26.4, macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.4, tvOS 26.4, visionOS 26.4, and watchOS 26.4.
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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.
Mitigation
If you can’t patch tonight, do this now.
Remediation
Patch, then assume compromise.
Exploits
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
Recent activity
12 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.
The version that knows your environment.
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.