Microsoft
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
CVE-2026-66804 Aug 11, 2026 Source: Vendor
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-66804
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Credited
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CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as James Forshaw with Google Project Zero
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as shoodagiri with GMO Cybersecurity by Ierae Inc
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as Daniele Linguaglossa
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as Will Dormann with Vul Labs
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as yhw & txz
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as Philip Tsukerman with Palo Alto Networks
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as Anonymous
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as Daniel Wade with nadsec
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as David Carliez with DC CyberSecurity
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as Thomas Klemenc
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as sorte
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as haowei yan
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as hamayanhamayan
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as Kim Dvash
CVE-2026-66804
unclaimed
Microsoft Windows Cross Device Service Elevation of Privilege Vulnerability
Credited as kaijieguigui working with TrendAI Zero Day Initiative