Now is the perfect time to update your laptop or desktop PC as Microsoft has released its May Patch Tuesday updates which contain fixes for 30 flaws rated as important or critical severity. In total, the latest security patch applies fixes to 138 bugs including many that made network privileges vulnerable. Fortunately, none of the bugs are listed as publicly known or under active attack. Many of the flaws appear to be related to Azure and more business-focused Microsoft products. However, one of the more severe bugs impacts Windows DNS via a heap-based buffer overflow flaw that would let a malicious actor execute code over a network. "An attacker could exploit this vulnerability by sending a specially crafted DNS response to a vulnerable Windows system, causing the DNS Client to incorrectly process the response and corrupt memory," Microsoft said in its patch notes.…