What is CVE-2025-11931?

CVE-2025-11931 is a security advisory published by Microsoft Security Response Center (MSRC) with Low severity. Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt

Which CVE IDs does CVE-2025-11931 cover?

CVE-2025-11931 covers the following CVE IDs: CVE-2025-11931. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2025-11931?

CVE-2025-11931 has a CVSS v3 base score of 8.2, published by Microsoft Security Response Center (MSRC).

CVE-2025-11931LowCVSS 8.2

Integer Underflow Leads to Out-of-Bounds Access in XChaCha20-Poly1305 Decrypt

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2025-11931 →