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Coverage › CVE-2020-1040

CVE-2020-1040 Unmapped

Microsoft Hyper-V RemoteFX vGPU Remote Code Execution Vulnerability

Vendor / product
Microsoft — Hyper-V RemoteFX
Description (CISA)
Microsoft Hyper-V RemoteFX vGPU contains an improper input validation vulnerability due to the host server failing to properly validate input from an authenticated user on a guest operating system. Successful exploitation allows for remote code execution on the host operating system.
Added to KEV
2021-11-03
Due date
2022-05-03
Required action
Apply updates per vendor instructions.
Known ransomware use
Unknown
CWE
CWE-20
CISA notes
https://nvd.nist.gov/vuln/detail/CVE-2020-1040
Elsewhere
cve.org · NVD · CISA KEV · JSON

ATT&CK techniques

No public source states how this vulnerability is exploited in ATT&CK terms.

The only authoritative CVE → ATT&CK mapping in the open — CTID's Mappings Explorer, pinned to a KEV snapshot of 2025-07-28 and ATT&CK 16.1 — does not include CVE-2020-1040. CISA's catalogue carries no technique field. kevmap does not infer techniques from the CWE (CWE-20) — here is why — and does not guess.

This page will change state automatically if a mapping is published. What is shown above is everything CISA publishes about the entry.