CVE-2026-52947
net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove
MSRC advisory June 28, 2026
Alert details
- Source feed
- Microsoft MSRC
- CVE ID
- CVE-2026-52947
- Affected products
- net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove · net net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove · net
What happened
Information published.
What it means for your business
net net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove (CVE-2026-52947) was added to Microsoft’s security update guidance. Information published. PremierePC tracks MSRC advisories for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Sources
Related briefs
Microsoft Excel Remote Code Execution vulnerability
Microsoft Excel Remote Code Execution vulnerability (CVE-2026-68801) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Remote Code Execution vulnerability
Microsoft Office Remote Code Execution vulnerability (CVE-2026-64903) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Information Disclosure vulnerability
Microsoft Office Information Disclosure vulnerability (CVE-2026-64899) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege vulnerability
Windows Universal Plug and Play (UPnP) Device Host Elevation of Privilege vulnerability (CVE-2026-58547) was added to Microsoft’s security update guidance. Updated an acknowledgement. This is an informational change only. If you need help checking exposure, call (864) 335-9223.
Need help patching?
PremierePC monitors KEV alerts for managed clients and helps teams prioritize remediation before attackers do.