A brief daily summary of what is important in information security. The podcast is published every weekday and designed to get you ready for the day with a brief, usually 5 minute long, summary of current network security related events. The content is late breaking, educational and based on listener input as well as on input received by the SANS Internet Stormcenter. You may submit questions and comments via our contact form at https://isc.sans.edu/contact.html .

SANS Stormcast Thursday, September 18th, 2025: DLL Hooking; Entra ID Actor Tokens; Watchguard and NVidia Patches

September 17, 2025 6:31 5.48 MB Downloads: 0

CTRL-Z DLL Hooking
Attackers may use a simple reload trick to overwrite breakpoints left by analysts to reverse malicious binaries.
https://isc.sans.edu/diary/CTRL-Z%20DLL%20Hooking/32294
Global Admin in every Entra ID tenant via Actor tokens
As part of September s patch Tuesday, Microsoft patched CVE-2025-55241. The discoverer of the vulnerability,
Dirk-jan Mollema has published a blog post showing how this vulnerability could have been exploited.
https://dirkjanm.io/obtaining-global-admin-in-every-entra-id-tenant-with-actor-tokens/
WatchGuard Firebox iked Out of Bounds Write Vulnerability CVE-2025-9242
WatchGuard patched an out-of-bounds write vulnerability, which could allow an unauthenticated attacker to compromise the devices.
https://www.watchguard.com/wgrd-psirt/advisory/wgsa-2025-00015
NVidia Triton Inference Server
NVIDIA patched critical vulnerabilities in its Triton Inference Server.
https://nvidia.custhelp.com/app/answers/detail/a_id/5691