【Vulnerability Alert】Microsoft Releases September 2026 Security Updates
Source: Ministry of education information & communication security contingency platform
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| Publication Number | TACERT-ANA-2026092201095959 | Publication Time | 2026-09-22 13:15:59 |
| Incident Type | ANA-Vulnerability Alert | Discovery Time | 2026-09-22 13:15:59 |
| Impact Level | Medium | ||
| [Subject] 【Vulnerability Alert】Microsoft Releases September 2026 Security Updates |
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| [Content]
Forwarded from the National Institute of Cyber Security Cybersecurity Alert NISAC-200-202609-00000017 Microsoft released its September 2026 security updates, addressing a total of 978 vulnerabilities, including 193 high-risk vulnerabilities and 2 vulnerabilities that have been exploited. Please confirm and apply patches as soon as possible. Information Sharing Level: WHITE (the intelligence content is information that may be publicly disclosed) |
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| [Affected Platform]
.NET and Visual Studio |
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[Recommended Actions] Microsoft has released remediation versions for the vulnerabilities. Agencies may contact their system maintenance vendors or refer to the following link: https://msrc.microsoft.com/update-guide/releaseNote/2026-Sep |
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[Reference] https://msrc.microsoft.com/update-guide/releaseNote/2026-Sep |
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