No access to your tenant or devices. Every item links to its source. What this means
Deserialization of untrusted data in Windows DNS allows an unauthorized attacker to execute code over a network.
| KB | Type | Restart | Applies to | Known issues | Other CVEs |
|---|---|---|---|---|---|
| KB5126646 | Security Update | Required | Windows Server 2025, Windows Server 2025 (Server Core installation) | ResolvedUsers might be unable to sign in to OWA or send emails on Exchange Server | All CVEs in KB5126646 |
| KB5126651 | Security Update | Required | Windows 10 Version 1809 for 32-bit Systems, Windows 10 Version 1809 for x64-based Systems, Windows Server 2019 and 1 more | ResolvedUsers might be unable to sign in to OWA or send emails on Exchange Server | All CVEs in KB5126651 |
| KB5126653 | Security Update | Required | Windows 11 Version 23H2 for ARM64-based Systems, Windows 11 Version 23H2 for x64-based Systems | None listed | All CVEs in KB5126653 |
| KB5126655 | Security Update | Required | Windows Server 2022, Windows Server 2022 (Server Core installation) | ResolvedUsers might be unable to sign in to OWA or send emails on Exchange Server | All CVEs in KB5126655 |
| KB5126657 | Security Update | Required | Windows 10 Version 21H2 for 32-bit Systems, Windows 10 Version 21H2 for ARM64-based Systems, Windows 10 Version 21H2 for x64-based Systems and 3 more | None listed | All CVEs in KB5126657 |
| KB5126835 | Security Update | Required | Windows Server 2012, Windows Server 2012 (Server Core installation) | None listed | All CVEs in KB5126835 |
| KB5126836 | Security Update | Required | Windows Server 2012 R2, Windows Server 2012 R2 (Server Core installation) | None listed | All CVEs in KB5126836 |
| KB5126868 | Security Update | Required | Windows 10 Version 1607 for 32-bit Systems, Windows 10 Version 1607 for x64-based Systems, Windows Server 2016 and 1 more | ResolvedUsers might be unable to sign in to OWA or send emails on Exchange Server | All CVEs in KB5126868 |
| KB5127646 | Security Update | Required | Windows 11 Version 26H1 for ARM64-based Systems, Windows 11 version 26H1 for x64-based Systems | None listed | All CVEs in KB5127646 |
| KB5127648 | Security Update | Required | Windows 11 Version 24H2 for ARM64-based Systems, Windows 11 Version 24H2 for x64-based Systems, Windows 11 Version 25H2 for ARM64-based Systems and 3 more | None listed | All CVEs in KB5127648 |
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Explore global source statements, affected packages and advisory history for CVE-2026-109463. The catalog has a separate collection scope from Microsoft release records.
CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.
No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.
Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.
Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.
cve-program · CVE-2026-109463 · Published