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CVE-2026-45186Published

In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input.

Recorded JSON

Explicit identifiers and source references

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-45186 · Microsoft / collected KEV context

cve-program · CVE-2026-45186

Related operational evidence

Explicit CVE identifiers

No related operational record is retained in the current change model.

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An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 9 Nov 18:10 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current

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