The Canadian Centre for Cyber Security issued advisory AV26-649 referencing WatchGuard security advisories published on July 2, 2026. The advisories cover a race condition and use-after-free vulnerability in Mobile VPN with IKEv2 LDAP Authentication on Firebox appliances, as well as a local privilege escalation in the Mobile VPN with SSL Windows client. Multiple Fireware OS branches and the Windows VPN client are affected through several recent versions. No CVE IDs, exploit details, or IOCs are provided in the advisory digest.
Use-After-Free
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Cyber Centre Daily Advisory Digest — 2026-07-03 (1 advisories) The AI Threat Multiplier: Why Architectural Flaws Are the New Frontier Security researchers identified a signal-reentrancy weakness in a signed macOS OpenSSL wrapper binary. The vulnerability arises from the intersection of legacy TLS capabilities and async-unsafe POSIX functions, which can be exploited via race conditions and forced TLS downgrades to cause Denial of Service (DoS) or potential memory corruption.
CISA Adds One Known Exploited Vulnerability to Catalog CISA has added CVE-2026-5281, a Use-After-Free vulnerability in Google Dawn, to its Known Exploited Vulnerabilities (KEV) Catalog due to evidence of active exploitation. Organizations are strongly urged to prioritize timely remediation to reduce exposure to cyberattacks.
Patch diff to SYSTEM Researchers successfully patch-diffed a Windows Desktop Window Manager (DWM) vulnerability using LLMs, drastically reducing exploit development time. The vulnerability is a Use-After-Free in dwmcore.dll that can be exploited via the DirectComposition API, combined with a novel heap spray and CFG bypass, to achieve Local Privilege Escalation to SYSTEM.
