Microsoft Outlook Security Warning

Calgary Businesses Urged to Take Action Against Critical Microsoft Outlook Vulnerability

Calgary businesses and individuals are urged to take action after a critical vulnerability was discovered in Microsoft Outlook that could open them to cybercriminals attacks. According to experts, the CVE-2023-23397 vulnerability could allow attackers to execute arbitrary code in the current user’s context, potentially giving them access to sensitive data stored on the user’s computer.

Lisa Mitchell of Progressive Computer Systems emphasized the seriousness of the situation, stating, “This is a critical vulnerability that could compromise the security of businesses and individuals in Calgary. All users must take immediate action to protect themselves from this threat.”

Clear Concepts‘ Glenn Kemp explained how the vulnerability works: “The vulnerability is caused by a memory corruption issue that occurs when Outlook processes a specially crafted email message. If an attacker can successfully exploit this vulnerability, they can take control of the affected system and potentially access sensitive information stored on the user’s computer.”

Daniel De Steno, Founder of NOVA Computer Solutions, stressed the importance of updating systems: “Microsoft has released a security update that addresses this vulnerability. All users must update their systems as soon as possible to ensure they are protected.”

In addition to updating systems, users are advised to exercise caution when opening email messages from unknown senders, as these messages may contain malicious content that could exploit this vulnerability.

The CVE-2023-23397 vulnerability is a serious threat that could have significant implications for businesses and individuals in Calgary. Users can protect themselves from this and other potential security threats by taking action and updating their systems.


Calgary businesses and individuals must take the CVE-2023-23397 vulnerability in Microsoft Outlook seriously. Users can protect themselves from potential cyber-attacks by following the advice of experts such as Lisa Mitchell, Glenn Kemp, and Daniel De Steno and updating their systems. The threat posed by this vulnerability highlights the importance of remaining vigilant against cyber threats and taking proactive steps to ensure the security of sensitive data.