InfoSecBulletin Cybersecurity for mankind
In December 2023, Microsoft released security updates for multiple products, addressing 33 vulnerabilities.
The company’s vulnerabilities affect several Microsoft products, including Windows, Office, Azure, Microsoft Edge, Windows Defender, Windows DNS and DHCP server, and Microsoft Dynamic. The IT giant also addressed several Chromium issues.
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Four vulnerabilities addressed by the company are rated Critical and 29 are rated Important in severity.
“The December release is typically small, and this month is no exception. In fact, this is the lightest release since December 2017. Still, with over 900 CVEs addressed this year, 2023 has been one of the busiest years for Microsoft patches.” reported ZDI.
Microsoft recommends to pay attention to a critical flaw affecting the MSHTML engine:
CVE-2023-35628 – There is a vulnerability in the MSHTML platform of Windows that allows an attacker to remotely execute code. This vulnerability can be triggered by a specially crafted email that is automatically processed by the Outlook client. The attack occurs before the email is viewed in the Preview Pane.
CVE-2023-36019 – Vulnerability in Microsoft Power Platform Connector allows spoofing. It can be activated by making the user click on a specially created URL.
CVE-2023-35636 – Microsoft Outlook has a vulnerability that could allow the disclosure of NTLM hashes.
The full list of vulnerabilities addressed by the company is available here:
The researchers noted that none of the security issues fixed in Microsoft Patch Tuesday updates for December 2023 are currently being exploited.
