Security News > 2024 > February > Microsoft Outlook December updates trigger ICS security alerts
2024-02-05 22:03
Microsoft is investigating an issue that triggers Outlook security alerts when trying to open.
ICS calendar files after installing December 2023 Patch Tuesday Office security updates.
Microsoft 365 users affected by this issue report seeing dialog boxes warning them that "Microsoft Office has identified a potential security concern" and that "This location may be unsafe" when double-clicking ICS files saved locally.
The company also revealed that the security warning will be displayed after deploying a security update that patches the CVE-2023-35636 Microsoft Outlook information disclosure vulnerability.
Microsoft says Outlook apps can't connect to Outlook.com.
Microsoft fixes connection issue affecting Outlook email apps.
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Related Vulnerability
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2023-12-12 | CVE-2023-35636 | Unspecified vulnerability in Microsoft products Microsoft Outlook Information Disclosure Vulnerability | 6.5 |