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.
Published 2007-10-23 17:46:00
Updated 2017-07-29 01:33:47
Source MITRE
View at NVD,   CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2007-5633

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2007-5633

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.2
HIGH AV:L/AC:L/Au:N/C:C/I:C/A:C
3.9
10.0
NIST

Products affected by CVE-2007-5633

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