What is CVE-2026-4645?

CVE-2026-4645 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Github.com/antchfx/xpath: xpath: denial of service via crafted boolean xpath expressions

Which CVE IDs does CVE-2026-4645 cover?

CVE-2026-4645 covers the following CVE IDs: CVE-2026-4645. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-4645?

CVE-2026-4645 has a CVSS v3 base score of 7.5, published by Microsoft Security Response Center (MSRC).

CVE-2026-4645HighCVSS 7.5

Github.com/antchfx/xpath: xpath: denial of service via crafted boolean xpath expressions

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-4645 · pending