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1 IOC

THREAT INTELLIGENCE REPORT Windows Remote Desktop Privilege Escalation (CVE-2026-21533) Exploit for Sale March 10, 2026

Blackswan Cybersecurity
Blackswan Cybersecurity
Published March 10, 2026Original Report

Threat Actors

Excerpt

DOWNLOAD PDF Threat Level: High (for unpatched systems with RDP exposure) Status : Patch Available (February 2026 Microsoft Patch Tuesday) Active Exploitation Confirmed Pre-Patch Alleged Weaponized Exploit for Sale. Executive Summary A threat actor is allegedly offering a zero-day exploit for CVE-2026-21533, a local privilege escalation vulnerability in Windows Remote Desktop Services (RDS), for $220,000 on a dark web forum. The listing claims the exploit leverages improper…

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Diamond Model

SOCIAL AXISTECHNOLOGY AXISADVERSARYTA0001INFRASTRUCTUREunknownCAPABILITYunknownVICTIMunknown
Adversary(1)
Infrastructure
Capability
Victim

Indicators of Compromise

Open the mindmap →

1 indicators

TypeIndicatorConfidenceScoreFirst Seen
CVECVE-2026-21533MediumScore 54/100First seen

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