<p>A memory corruption vulnerability exists when Windows Media Foundation improperly handles objects in memory. An attacker who successfully exploited the vulnerability could install programs; view, change, or delete data; or create new accounts with full user rights.</p>
<p>There are multiple ways an attacker could exploit the vulnerability, such as by convincing a user to open a specially crafted document, or by convincing a user to visit a malicious webpage.</p>
<p>The security update addresses the vulnerability by correcting how Windows Media Foundation handles objects in memory.</p>
An official patch is available. Apply the patch as soon as possible.
CVSS v4.0 Metrics
Exploitability
Attack VectorLocal
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Patch StatusOfficial Patch
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | nvd | patch: Unavailable→Official Patch | 6.2 → 6.2 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 6.2 |
Affected Software
| Vendor | Product | Version |
|---|
| Microsoft | Windows 10 Version 1607 | ≥ 10.0.0, < publication |
| Microsoft | Windows 10 Version 1709 | ≥ 10.0.0, < publication |
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | ≥ 10.0.0, < publication |
| Microsoft | Windows 10 Version 1803 | ≥ 10.0.0, < publication |
| Microsoft | Windows 10 Version 1809 | ≥ 10.0.0, < publication |
| Microsoft | Windows 10 Version 1903 for 32-bit Systems | ≥ 10.0.0, < publication |
| Microsoft | Windows 10 Version 1903 for ARM64-based Systems | ≥ 10.0.0, < publication |
| Microsoft | Windows 10 Version 1903 for x64-based Systems | ≥ 10.0.0, < publication |
| Microsoft | Windows 10 Version 1909 | ≥ 10.0.0, < publication |
| Microsoft | Windows 10 Version 2004 | ≥ 10.0.0, < publication |
| Microsoft | Windows Server 2016 | ≥ 10.0.0, < publication |
| Microsoft | Windows Server 2016 (Server Core installation) | ≥ 10.0.0, < publication |
| Microsoft | Windows Server 2019 | ≥ 10.0.0, < publication |
| Microsoft | Windows Server 2019 (Server Core installation) | ≥ 10.0.0, < publication |
| Microsoft | Windows Server version 2004 | ≥ 10.0.0, < publication |
| Microsoft | Windows Server, version 1903 (Server Core installation) | ≥ 10.0.0, < publication |
| Microsoft | Windows Server, version 1909 (Server Core installation) | ≥ 10.0.0, < publication |
| microsoft | windows_10 | 1607 |
| microsoft | windows_10 | 1709 |
| microsoft | windows_10 | 1803 |
| microsoft | windows_10 | 1809 |
| microsoft | windows_10 | 1903 |
| microsoft | windows_10 | 1909 |
| microsoft | windows_10 | 2004 |
| microsoft | windows_server_2016 | All versions |
| microsoft | windows_server_2016 | 1903 |
| microsoft | windows_server_2016 | 1909 |
| microsoft | windows_server_2016 | 2004 |
| microsoft | windows_server_2019 | All versions |
Published: 2020-10-16