CVE-2007-5633

N/A
Published: October 23, 2007 at 05:00 PM UTC
Updated: June 16, 2026 at 10:46 PM UTC
1 product affected across 1 vendorSpeedfan· also runs on 1 platform

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Severity
N/A
Exploit prediction
EPSS 0.9%

Description

Speedfan.sys in Alfredo Milani Comparetti SpeedFan 4.33, when used on Microsoft Windows Vista x64, allows local users to read or write arbitrary MSRs, and gain privileges and load unsigned drivers, via the (1) IOCTL_RDMSR 0x9C402438 and (2) IOCTL_WRMSR 0x9C40243C IOCTLs to \Device\speedfan, as demonstrated by an IOCTL_WRMSR action on MSR_LSTAR.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

microsoft-windows-vista (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

CVSS

Confidentiality
COMPLETE
Integrity
COMPLETE
Availability
COMPLETE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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