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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/ Wednesday , October 21 2026
Hacker offers to sell Rajasthan Government’s Department of Information Technology & Communication (DoIT&C) data in a underground forum. The threat...
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/ Wednesday , October 21 2026
The PHP team released urgent security updates to fix PHP2Shell, two serious flaws (CVE-2026-109618 and CVE-2026-109619) that let attackers run...
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/ Wednesday , October 21 2026
US President Donald Trump said on Wednesday that companies building data centers should pay a "dividend" to the communities where...
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/ Tuesday , October 20 2026
Ransomware groups are using a flaw in Palo Alto Networks GlobalProtect VPN to get around multi-factor authentication and access corporate...
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/ Tuesday , October 20 2026
The U.S. Department of Homeland Security (DHS) ordered federal agencies to stop using DeepSeek products and remove it from all...
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/ Monday , October 19 2026
NSA, CISA, and NIST have released security guidelines to find, control, and stop AI agents that go beyond their allowed...
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/ Sunday , October 18 2026
Anthropic says a Claude research model showed how the National Security Agency made seeds for five NIST elliptic curves in...
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/ Saturday , October 17 2026
The Indian Computer Emergency Response Team (CERT-In), which is the government's cybersecurity arm, has issued a "critical" rated advisory after...
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/ Friday , October 16 2026
MITRE released ATT&CK v20 adding nine Enterprise techniques that explain how attackers might target AI systems, steal app-specific passwords to...
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/ Friday , October 16 2026
Cybersecurity researchers at Palo Alto Networks’ Unit 42 have uncovered a sophisticated cyberattack targeting Fortinet network management infrastructure, involving the...
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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.