Windows Message Queuing Elevation of Privilege Vulnerability
Double free in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
MSRC compact vulnerability detail
CVE-2026-33838 · Windows Message Queuing (MSMQ) Elevation of Privilege Vulnerability
Double free in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
Signals
Windows Message Queuing
Elevation of Privilege
Exploited: No
Publicly disclosed: No
Exploitability: Exploitation Less Likely
CWE
Patch Diff
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Resolved binary override
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Description
Double free in Windows Message Queuing allows an authorized attacker to elevate privileges locally.
FAQ / Articles
FAQ
What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.