PatchTheCVEwnbios64.sys vulnerabilities and fixes
Recent CVEs affecting wnbios64.sys, with upgrade or downgrade steps. 1 tracked.
Also searched as: wnbios64 sys, wnbios64sys.
wnbios64.sys has 1 tracked vulnerability, 0 critical. A fixed release or vendor patch exists for 0. Most recent: 2026-03-05. Highest priority: CVE-2025-70616 (score 36/100).
- CVE-2025-70616 HIGH 7.8 DOWNGRADE A stack buffer overflow vulnerability exists in the Wincor Nixdorf wnBios64.sys kernel driver (version 1.2.0.0
FAQ
How do I fix wnbios64.sys vulnerabilities?
Open the CVE for your version, check the affected range, then follow the listed action: upgrade to the fixed release, or downgrade or mitigate if no fix exists yet. Commands for each OS are shown on every CVE page.
Is wnbios64.sys being exploited right now?
None of the tracked wnbios64.sys CVEs are on the CISA Known Exploited Vulnerabilities list at the moment. This is checked every 20 minutes.
Which wnbios64.sys CVE should I patch first?
CVE-2025-70616 currently ranks highest (36/100): A stack buffer overflow vulnerability exists in the Wincor Nixdorf wnBios64.sys kernel driver (version 1.2.0.0.