CVE-2026-69645: Windows Message Queuing Elevation of Privilege Vulnerability
Use after free in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-69645
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-69645 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Windows Message Queuing
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-83997: Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over…nvd · 2026-09-08
- highCVE-2026-72932: Buffer over-read in Windows Message Queuing Queue Manager allows an unauthorized attacker to d…nvd · 2026-09-08
- highCVE-2026-69645: Use after free in Windows Message Queuing allows an authorized attacker to elevate privileges …nvd · 2026-09-08
- criticalCVE-2026-69579: Use after free in Windows Message Queuing allows an unauthorized attacker to execute code over…nvd · 2026-09-08
- highCVE-2026-68887: Out-of-bounds read in Windows Message Queuing Queue Manager allows an unauthorized attacker to…nvd · 2026-09-08
- highCVE-2026-72932: Windows Message Queuing Queue Manager Information Disclosure Vulnerabilitymsrc · 2026-09-08
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