CVE-2026-85859
MediumCVSS 6.5Summary
A null pointer dereference in Windows Message Queuing Queue Manager allows an authorized attacker to deny service over a network.
Risk Assessment
The attack may cause unavailability of the message queuing service, disrupting applications.
Recommendation
Install security updates for Windows Message Queuing.
Other vulnerabilities in Windows Message Queuing
See all- CVE-2026-85874High
Use after free in Windows Message Queuing Queue Manager allows an authorized attacker to execute code locally.
- CVE-2026-108460High
Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
- CVE-2026-34329High
Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over an adjacent network.
- CVE-2026-33838High
CVE-2026-33838 is a vulnerability related to double free in Windows Message Queuing, allowing an authorized attacker to elevate privileges locally.
- CVE-2026-100202Critical
Use after free in Windows Message Queuing Queue Manager allows an unauthorized attacker to execute code over a network.
- CVE-2026-69579Critical
Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
- CVE-2026-50447Critical
Heap-based buffer overflow in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
- CVE-2026-83997High
Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over a network.
- CVE-2026-72932High
Buffer over-read in Windows Message Queuing Queue Manager allows an unauthorized attacker to disclose information over a network.
- CVE-2026-69645High
Use-after-free in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
Original NVD description (English source)
Null pointer dereference in Windows Message Queuing Queue Manager allows an authorized attacker to deny service over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS