Windows 7 UAC shutoff ‘bug’ leaves Microsoft unmoved
Security researchers have unearthed a potentially serious flaw in User Account Control (UAC) features in Windows 7. Microsoft is aware of the issue but is currently unconvinced it needs to make changes to the pre-release code.
UAC is a security feature introduced in Windows Vista that’s designed to prompt users for permission before allowing applications to proceed. The technology is designed to put a guard against malware. However, many have found it intrusive and annoying.
Microsoft has modified the technology in beta versions of Windows 7, the next version of its operating system, to make it more palatable. Four different levels with the enhanced version of UAC mean that, among other things, routine tasks no longer ask for permission to run.
However, in making these changes Microsoft has inadvertently introduced a gaping security hole. Disabling UAC no longer generates a prompt. This means, security researchers warn, that future strains of malware might be able to silently shut down UAC, leaving users with the misleading impression the controls are still active.
Read more: theregister.co.uk