Ref# Microsoft | Date: Sep 27th 2019

---

Description

Microsoft has released out-of-band updates to address vulnerabilities in Microsoft software. It is recommended that you take the necessary precautions by ensuring your product are always updated.

• CVE-2019-1255 | Microsoft Defender Denial of Service Vulnerability

         https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1255

• CVE-2019-1367 | Scripting Engine Memory Corruption Vulnerability

        https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1367

• Cumulative security update for Internet Explorer: September 23, 2019

         https://support.microsoft.com/en-us/help/4522007/cumulative-security-update-for-internet-explorer

The Guyana National CIRT recommends users and administration to follow these guidelines and to apply them where necessary.

Reference

   Microsoft Releases Out-of-Band Security Updates (US-Cert)

https://www.us-cert.gov/ncas/current-activity/2019/09/23/microsoft-releases-out-band-security-updates