Unauthenticated code execution via use-after-free
Published Sep 8, 2026 · Updated Sep 9, 2026
Use-after-free in Microsoft Windows Remote Desktop Services allows remote attackers to execute arbitrary code over a network. Microsoft has not disclosed the specific RDS object, request field, or operation that releases and subsequently reuses the freed memory. No authentication or user interaction is required, and successful exploitation runs attacker-controlled code on the target.
Summary
What happened
Use-after-free in Microsoft Windows Remote Desktop Services allows remote attackers to execute arbitrary code over a network. Microsoft has not disclosed the specific RDS object, request field, or operation that releases and subsequently reuses the freed memory. No authentication or user interaction is required, and successful exploitation runs attacker-controlled code on the target.
The record
- CVE
- CVE-2026-69525
- Published
- Sep 8, 2026
- Updated
- Sep 9, 2026
- Vendor
- Microsoft
- Product
- Windows Server 2019
- Classifications
- CWE-416, T1210
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 8, 2026CVE publishedPublication date reported by the CVE source.
- Sep 9, 2026Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.0.17763.0 <10.0.17763.9245
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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