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OpenAdvisories
High · 7.4 CVE-2026-21521 EUVD-2026-4498GHSA-mmfw-g245-wgx2

Word Copilot Information Disclosure Vulnerability

Published Jan 22, 2026 · Updated Jul 30, 2026 · Assigned by microsoft

Description

Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.

Affected products

VendorProductAffectedFixed
Microsoft Microsoft 365 Word Copilot - —

Advisories 2

References