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CVE-2026-81963HighKEVZero-Day

CVE-2026-81963

Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.

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54

TCL Priority

CVSS

7.8

EPSS

0%

KEV

Yes

Exploitation

reported

Timeline

CVE Published
53d ago · NVD
Added to TCL Advisory
53d ago · TCL Advisory
Added to CISA KEV
53d ago · CISA
Exploitation Status Changed
53d ago · TCL Advisory
Vendor Advisory Published
50d ago · Vendor

What Changed?

Exploitationunknown→reportedcisa_kev

KEVNO→YEScisa_kev

Sources

NVD · Updated 53d ago

CISA KEV · Updated 54d ago

References

secure@microsoft.com 134c704f-9b21-4f2e-91b3-4a467353bcc0