On my personal computer, I am running the Windows 10 1803 (April) update. Two recent security vulnerabilities that have been patched was the Meltdown and Windows Defender exploits. At the beginning of 2018, Meltdown was (and still is) the biggest security vulnerability heard of. It affects most, if not all, Intel Desktop CPUs dating back to 2006. (Wong, 2018) Microsoft released a security patch that mitigated the exploit by forcefully implementing kernel page isolation. This helps to prevent attackers from using the Meltdown exploit against Intel based PCs. (Wagenseil, 2018) However, when the security patch was pushed to Windows 10 1709 PCs, it opened another vulnerability, which undermined the security patch. Windows 10 1709 PCs are still vulnerable and should be updated to the latest version, 1803. (Freedman, 2018)The second vulnerability was the Windows Defender/Anti-virus vulnerability. A critical flaw was found in the Windows Defender and other anti-virus’s malware engine that runs on the PC. An attacker could have a file downloaded to the computer and when Windows Defender or another affected anti-virus would scan the file, the attacker could execute code and take control of the system. The attacker would gain full access over the system. Microsoft has since rolled out a patch to fix this vulnerability. (Tung, 2018)I feel better knowing that critical security vulnerabilities like these have been patched. It gives me peace of mind knowing that more security vulnerabilities each day are being found and patched.