
Microsoft Releases Emergency Patch to Fix RDS Snafu
Microsoft's out-of-band KB5129195 fixes September Patch Tuesday regressions breaking RDS connections, Hyper-V shared folders, and USB audio.
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Microsoft's out-of-band KB5129195 fixes September Patch Tuesday regressions breaking RDS connections, Hyper-V shared folders, and USB audio.

Linux kernel RDS zero-copy flaw CVE-2026-43502 (ZcopyReaper) lets unprivileged local users gain root; fix in 7.1-rc3, public PoC published.

Microsoft released emergency out-of-band Windows updates fixing Remote Desktop Services failures and Hyper-V issues caused by September 2026 security patches.

ZcopyReaper (CVE-2026-43502) lets unprivileged local attackers reach root on Linux via an RDS zero-copy cleanup flaw dating to kernel 4.17.

Microsoft confirms September 2026 Patch Tuesday updates break Remote Desktop Services on Windows Server 2012+; Group Policy mitigations and rollback workarounds available.
Researchers disclosed CVE-2026-43502 (ZcopyReaper), a Linux kernel local privilege escalation in the RDS zerocopy send path, fixed in v7.1-rc3.
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