Unspecified vulnerability in the BIOS F.26 and earlier for the HP Compaq Notebook PC allows physically proximate attackers to obtain privileged access via unspecified vectors, possibly involving an authentication bypass of the power-on password.

The LogDataListToFile ActiveX function used in (1) Knowledge Center and (2) Back web components of Compaq Presario computers allows remote attackers to modify arbitrary files and cause a denial of service.