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Microsoft published Security Update Guide entries for CVE-2025-21263, CVE-2024-49016, CVE-2024-20671, and the older CVE-2021-28348, indicating active tracking and disclosure of multiple vulnerabilities across its product ecosystem. The referenced advisories come from Microsoft’s official MSRC channels, but the available records provide little public detail beyond the CVE identifiers and their presence in the update guide.
The set of references points to ongoing Microsoft vulnerability management activity, with newer 2024 and 2025 advisories appearing alongside a prior 2021 entry in the same update infrastructure. Organizations that rely on Microsoft platforms should use the CVE records as authoritative placeholders for patch validation and asset review, and monitor the corresponding MSRC pages for severity, affected products, and remediation guidance as fuller advisory details become available.
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4 events from the most recent confirmed update back to the earliest known activity.
Microsoft published a Security Update Guide advisory for CVE-2025-21263, creating an official record of the vulnerability in its advisory system.
Microsoft published a Security Update Guide advisory for CVE-2024-49016, formally documenting the vulnerability in its update portal.
Microsoft added CVE-2024-20671 to its Security Update Guide, marking an official advisory entry for the vulnerability.
Microsoft listed CVE-2021-28348 in its Security Update Guide, indicating public disclosure of the vulnerability through an official product advisory entry.
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Microsoft published Security Update Guide entries for five vulnerabilities tracked as **`CVE-2024-49049`**, **`CVE-2025-21287`**, **`CVE-2025-27613`**, **`CVE-2026-21256`**, and **`CVE-2026-25181`**. The references point to official Microsoft advisory pages in the MSRC portal, including both `advisory` and `vulnerability` URL paths, indicating the issues were formally cataloged in Microsoft's vulnerability management system. The available records provide only minimal metadata and do not include public synopses, affected products, severity ratings, exploitation details, or remediation guidance in the referenced material. Even so, the publication of these CVE entries shows Microsoft added or maintained official tracking pages for multiple security flaws across 2024, 2025, and 2026, signaling that defenders should review the corresponding MSRC advisories directly for product impact and patch information.
Jul 8, 2026Microsoft's Security Update Guide published entries for **`CVE-2026-34329`**, **`CVE-2026-42945`**, and **`CVE-2026-9123`**, alongside a product advisory entry for **`CVE-2021-33771`**. The referenced pages indicate that Microsoft added or maintained vulnerability records in its official advisory portal, but the available source material does not include vulnerability names, affected products, severity ratings, exploitation status, or remediation details. The set of references points to ongoing tracking of multiple Microsoft vulnerability identifiers through the company's security advisory infrastructure rather than a single disclosed intrusion or exploit campaign. Organizations that rely on Microsoft products should use the Security Update Guide entries for those CVEs to confirm affected assets, review patch availability, and determine whether any associated mitigations or product-specific guidance have been issued.
Jul 8, 2026Microsoft published Security Update Guide entries for several vulnerabilities and advisories, including `CVE-2024-49087`, `CVE-2024-49002`, `CVE-2025-49669`, and `CVE-2025-64679`. The references point to both product advisory and Microsoft-hosted update pages, indicating the issues were formally tracked through Microsoft's vulnerability disclosure and patch management process. Public details in the referenced entries are limited, with the pages showing placeholder loading text or no synopsis rather than technical descriptions, affected products, or exploitation guidance. Even so, the presence of these CVE records signals that Microsoft assigned and published identifiers for multiple security issues that defenders should monitor in the Security Update Guide for severity, impacted software, and remediation information as entries are updated.
Jul 8, 2026