CVE-2026-105016

CVE Enrichment

CVSS: 9.8 CRITICAL
CISA KEV: Not listed

Description

Heap-based buffer overflow in Microsoft QUIC allows an unauthorized attacker to execute code over a network.

Technical Details

CVSS Version: 3.1
CNA / NVD Source: secure@microsoft.com
Published: 14-Oct-2026 02:17
Last Modified: 14-Oct-2026 06:17
CWE: CWE-122

CVSS Vector


            CVSS:3.1                            AV:N /
                            AC:L /
                            PR:N /
                            UI:N /
                            S:U /
                            C:H /
                            I:H /
                            A:H

References

secure@microsoft.com

Last enrichment sync: 14-Oct-2026 08:18
Sources: NVD · FIRST EPSS · CISA KEV
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Reported Context (3)

CVE-2026-105016 Microsoft October 2026 Updates Fix 1,411 Flaws, Including Three Zero-Days
ripe for prioritization is a heap-based buffer overflow RCE flaw in Microsoft QUIC, tracked as CVE-2026-105016 (CVSS score 9.8). It could allow an unauthenticated attacker to execute malicious code on affected Microsoft’s October 2026 Patch Tuesday Fixes 1,413 CVEs, Including Two Zero-Days
CVE-2026-100219 and CVE-2026-105016 in Microsoft QUIC represent exposure on any service using QUIC transport, which is increasingly common in modern web infrastructure. Microsoft’s October 2026 Patch Tuesday Fixes 1,413 Vulnerabilities, Including an Exploited Zero-Day

CVE (1237)

People (7)

MITRE ATT&CK (1)

Vendors (14)

Products (106)

Tools (1)

Note: Related entities, including threat actors, malware, CVEs, MITRE ATT&CK techniques, vendors, products, tools, countries, and industries, are shown when they appear in the same reporting. Their presence does not necessarily mean they were targeted, compromised, vulnerable, responsible for the activity, or directly involved in the incident.