Microsoft added three vulnerability entries to its Security Update Guide: CVE-2025-71266, CVE-2026-23267, and CVE-2026-4457. The references point to official MSRC advisory pages, indicating the issues have been formally tracked and published through Microsoft's vulnerability management process.
The available records do not include public synopses or technical details, leaving the affected products, severity, exploitation status, and remediation guidance unspecified in the source material provided. Security teams should monitor the linked MSRC entries for updated impact information, patch availability, and any indicators that these CVEs affect deployed Microsoft software or services.

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The provided references point to Microsoft Security Update Guide pages for CVE-2025-71266, CVE-2026-23267, and CVE-2026-4457, but no vulnerability details, disclosure dates, or remediation information are included in the content. Because the references contain no substantive event data, only the existence of these advisory entries can be noted.
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