Junglewise Threat Intelligence

CVE-2026-50315: Microsoft Windows Image Acquisition privilege escalation

CVE-2026-50315 · Severity: high · CVSS 7.8 · Published 2026-07-14

Technologies: Microsoft Windows 11 Version 26H1, Microsoft Windows 11 Version 24H2, Microsoft Windows Server 2025, Microsoft Windows 11, Microsoft Windows 11 Version 25H2. Vendors: Microsoft.

Executive brief

A security vulnerability exists in the Windows Image Acquisition service, which handles communication between the operating system and imaging devices like scanners and cameras. An attacker who already has basic access to a computer could exploit this flaw to gain full administrative control over the system. This could allow them to steal sensitive data, install malicious software, or disrupt business operations.

Technical details

A local privilege escalation vulnerability exists in the Windows Image Acquisition (WIA) service due to a NULL pointer dereference (CWE-476). An attacker with low-privileged local access can exploit this flaw without user interaction to execute code with elevated system privileges. The vulnerability affects multiple versions of Windows 11 and Windows Server 2025. Microsoft has released security updates to address this issue; administrators should apply the latest cumulative updates to mitigate the risk.

Affected products

  • Microsoft Windows 11 Version 24H2 10.0.26100.0 to 10.0.26100.8875
  • Microsoft Windows 11 Version 25H2 10.0.26200.0 to 10.0.26200.8875
  • Microsoft Windows 11 version 26H1 10.0.28000.0 to 10.0.28000.2269
  • Microsoft Windows Server 2025 10.0.26100.0 to 10.0.26100.33158

Timeline

  • 2026-07-14: disclosed: Initial publication of the CVE record.
  • 2026-07-14: advisory: Microsoft released the security update guide.

References

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