High severity7.8NVD Advisory· Published Apr 8, 2021· Updated Jun 17, 2026
CVE-2021-28685
CVE-2021-28685
Description
AsIO2_64.sys and AsIO2_32.sys in ASUS GPUTweak II before 2.3.0.3 allow low-privileged users to interact directly with physical memory (by calling one of several driver routines that map physical memory into the virtual address space of the calling process) and to interact with MSR registers. This could enable low-privileged users to achieve NT AUTHORITY\SYSTEM privileges via a DeviceIoControl.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
3<2.3.0.3+ 2 more
- (no CPE)range: <2.3.0.3
- (no CPE)
- cpe:2.3:a:asus:gputweak_ii:*:*:*:*:*:*:*:*range: <2.3.0.3
Patches
Vulnerability mechanics
References
2- gist.github.com/DStraghkov/fba4994ac4bb3a6e2940b21743563df0nvdThird Party Advisory
- www.asus.com/Static_WebPage/ASUS-Product-Security-Advisory/nvdVendor Advisory
News mentions
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