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Microsoft’s January 2026 updates address 114 vulnerabilities, including critical remote code execution bugs in Office apps and Windows services like LSASS.
This Patch Tuesday fixes critical vulnerabilities that allow remote code execution and several privilege escalation problems that could let attackers take over systems.
Microsoft Patches CVSS 10.0 Azure AI Foundry Vulnerability Allowing Privilege Escalation
By infosecbulletin
/ Saturday , September 19 2026
Microsoft has fixed a serious security flaw in Azure AI Foundry that could let bad actors gain privilege escalation. The...
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AWS is unable to restore access to Bahrain, one UAE cloud data zone after war damage
By infosecbulletin
/ Friday , September 18 2026
Amazon Web Services cannot restore access to its cloud-computing facility in Bahrain and one of three data-hosting zones in the...
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Cisco Warns of Critical ISE 0-Day Flaw and Hackers Allegedly Selling Fortinet FortiGate 1-Day Flaw
By infosecbulletin
/ Friday , September 18 2026
A threat actor is allegedly offering a private remote code execution exploit for Fortinet FortiGate SSL VPN appliances, claiming that...
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Anthropic prepares “Claude Money” to analyze bank account and financial data
By infosecbulletin
/ Thursday , September 17 2026
Anthropic is making a new Claude feature called “Money.” It's a separate tab in the mobile app. The new interface...
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GhostCode Phishing Kit Evades Microsoft 365 MFA to Hijack Accounts in 78 Seconds
By infosecbulletin
/ Thursday , September 17 2026
GhostCode is a new phishing kit that changes a regular Microsoft 365 sign-in into an account theft. It doesn't need...
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CISA Warns of Cisco Secure Email Gateway 0-Day Flaw Actively Exploited in Attacks
By infosecbulletin
/ Tuesday , September 15 2026
CISA has added a serious Cisco Secure Email Gateway flaw to its list of known exploits. They warn that attackers...
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VPN flaw exposed 246,000 personnel records in japan
By infosecbulletin
/ Tuesday , September 15 2026
Japan’s Digital Agency found a data leak that may have exposed about 246,000 records with personal information of government workers....
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Hackers deploy Casbaneiro Trojan that activates on bank websites
By infosecbulletin
/ Monday , September 14 2026
Casbaneiro is going after online banking users by sending fake messages that seem like urgent bills or legal papers. The...
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German police read Signal, Telegram, WhatsApp messages without breaking encryption
By infosecbulletin
/ Saturday , September 12 2026
German law enforcement agencies are using features built into apps such as WhatsApp to monitor people’s messages without breaking their...
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Urgent Patch! cPanel, GitLab Flaws Expose Users to RCE, File and Credential Theft
By infosecbulletin
/ Friday , September 11 2026
GitLab has released an important security update to fix two serious problems. These issues could allow unauthorized file access and...
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The number of bugs in each vulnerability category is listed below:
| Vulnerability Type | Count |
|---|---|
| Remote Code Execution | 22 |
| Denial of Service | 2 |
| Elevation of Privilege | 57 |
| Information Disclosure | 22 |
| Security Feature Bypass | 3 |
| Spoofing | 5 |
| Tampering | 3 |
| Total | 114 |
Zero-Day Vulnerabilities:
CVE-2026-20805 has high-severity flaws in Desktop Windows Manager that can expose information. CVE-2026-21265 relates to digital media handling that can lead to privilege escalation, often used in chained attacks. CVE-2023-31096 seems to be a backported or related fix included in cumulative updates.
| CVE ID | Component | Type | Severity | Key Notes |
|---|---|---|---|---|
| CVE-2026-20805 | Desktop Windows Manager | Information Disclosure | Important (High per Check Point) | Allows unauthorized access to sensitive data; patched January 13, 2026 |
| CVE-2026-21265 | Windows Digital Media | Elevation of Privilege | Not specified | Enables local privilege escalation |
| CVE-2023-31096 | Unknown (legacy) | Zero-day (contextual) | Not specified | Included in January 2026 updates despite earlier assignment |
Click here for the full list.
