NULL Pointer Dereference in QUIC Server Initial Packet Handling
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
AI Analysis
Technical Summary
This vulnerability involves a NULL pointer dereference (CWE-476) in the handling of initial packets by a QUIC server component in Microsoft product version 3.0. The flaw could lead to a denial of service or crash condition when the server processes malformed or unexpected initial QUIC packets. No further technical details or exploitation methods are described in the available data.
Potential Impact
The primary impact is likely a denial of service due to a NULL pointer dereference causing a crash or instability in the QUIC server component. There is no information about privilege escalation, data disclosure, or other impacts. No known exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is currently available.
NULL Pointer Dereference in QUIC Server Initial Packet Handling
Description
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves a NULL pointer dereference (CWE-476) in the handling of initial packets by a QUIC server component in Microsoft product version 3.0. The flaw could lead to a denial of service or crash condition when the server processes malformed or unexpected initial QUIC packets. No further technical details or exploitation methods are described in the available data.
Potential Impact
The primary impact is likely a denial of service due to a NULL pointer dereference causing a crash or instability in the QUIC server component. There is no information about privilege escalation, data disclosure, or other impacts. No known exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the Microsoft Security Response Center advisory for current remediation guidance. No official fix or workaround information is currently available.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_vex
- Csaf Version
- 2.0
- Publisher
- Microsoft Security Response Center
- Advisory Id
- msrc_CVE-2026-42764
- Cve Count
- 1
- Additional Cves
- []
- Cvss Version
- null
Threat ID: 6a2d2f8be617e2d834b6ea7f
Added to database: 06/13/2026, 10:23:07 UTC
Last enriched: 06/13/2026, 10:25:19 UTC
Last updated: 07/31/2026, 19:22:58 UTC
Views: 184
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