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CVE-2025-48822

Windows Hyper-V Discrete Device Assignment (DDA) Remote Code Execution Vulnerability

HIGH
8.6
CVSS Score
Published: July 8, 2025 at 04:57 PM UTC
Updated: June 17, 2026 at 09:30 AM UTC
13 products affected across 1 vendorWindows Server 2016Windows Server 2019Windows 10 1809

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Severity
HIGH8.6
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

Description

Out-of-bounds read in Windows Hyper-V allows an unauthorized attacker to execute code locally.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Windows 10 1607· Microsoft
95%
v < 10.0.14393.824610.0.14393.0 ≤ v < 10.0.14393.824610.0.14393.0
Affected range stops below 10.0.14393.8246, so it looks safe — our inference, not a vendor statement
Windows 10 1809· Microsoft
95%
v < 10.0.17763.755810.0.17763.0 ≤ v < 10.0.17763.755810.0.17763.0
Affected range stops below 10.0.17763.7558, so it looks safe — our inference, not a vendor statement
Windows 10 21H2· Microsoft
95%
v < 10.0.19044.609310.0.19044.0 ≤ v < 10.0.19044.609310.0.19044.0
Affected range stops below 10.0.19044.6093, so it looks safe — our inference, not a vendor statement
Windows 10 22H2· Microsoft
95%
v < 10.0.19045.609310.0.19045.0 ≤ v < 10.0.19045.609310.0.19045.0
Affected range stops below 10.0.19045.6093, so it looks safe — our inference, not a vendor statement
Windows 11 22H2· Microsoft
95%
v < 10.0.22621.562410.0.22621.0 ≤ v < 10.0.22621.562410.0.22621.0
Affected range stops below 10.0.22621.5624, so it looks safe — our inference, not a vendor statement
Windows 11 23H2· Microsoft
95%
v < 10.0.22631.562410.0.22631.0 ≤ v < 10.0.22631.562410.0.22631.0
Affected range stops below 10.0.22631.5624, so it looks safe — our inference, not a vendor statement
Windows 11 24H2· Microsoft
95%
v < 10.0.26100.465210.0.26100.0 ≤ v < 10.0.26100.465210.0.26100.0
Affected range stops below 10.0.26100.4652, so it looks safe — our inference, not a vendor statement
Windows Server 2016· Microsoft
95%
v < 10.0.14393.824610.0.14393.0 ≤ v < 10.0.14393.824610.0.14393.0
Affected range stops below 10.0.14393.8246, so it looks safe — our inference, not a vendor statement
Windows Server 2019· Microsoft
95%
v < 10.0.17763.755810.0.17763.0 ≤ v < 10.0.17763.755810.0.17763.0
Affected range stops below 10.0.17763.7558, so it looks safe — our inference, not a vendor statement
Windows Server 2022· Microsoft
95%
v < 10.0.20348.393210.0.20348.0 ≤ v < 10.0.20348.393210.0.20348.0
Affected range stops below 10.0.20348.3932, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Vendor AdvisoryPatch
Source: [email protected]
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-48822

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHmicrosoft
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125

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