Tenable Security Flaws in Windows 11 and ASP.NET Core Require Immediate Attention
Article Content
- •Windows 11 and ASP.NET Core have critical vulnerabilities with active exploitation confirmed.
- •CVE-2026-88073 and CVE-2026-85797 are among the high-severity flaws addressed in the Windows 11 update.
- •Immediate patching is recommended for all affected systems to mitigate risks.
Two significant security updates were released for Windows 11 and Microsoft ASP.NET Core in late October 2026. Windows 11's update addresses multiple vulnerabilities, including CVE-2026-85797 and CVE-2026-88073, both rated as high severity (CVSS 7.8). These vulnerabilities are by malware, posing a serious risk to users. The ASP.NET Core update also addresses vulnerabilities with available exploits, including CVSS 9.8 flaws. Both updates were released amid reports of, urging users to apply patches immediately. Affected systems include all versions of Windows 11 and ASP.NET Core applications. The updates were published on October 20 and October 28, respectively, highlighting the urgency of the situation.
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