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CVE-2026-81963· microsoft / windows· CWE-59, CWE-284

Microsoft Windows Link Following Vulnerability

Exploited in the wild. Listed by CISA on 2026-09-08; known to be used by ransomware.

7.1%likelihood of exploitation, next 30 days
94%of all CVEs are less likely
Nonecheck to confirm it

Microsoft Windows Update Stack contains a link following vulnerability that allows a local attacker to escalate privileges locally up to SYSTEM.

No ready check is stored for this CVE. Confirm it by hand from the references.

References

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