msrc_CVE-2026-21521

csafUSmsrc_csaf

Word Copilot Information Disclosure Vulnerability

view advisory published 2026-01-22

To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-21521US——
Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.
02

references

External citations — patches, advisories, analysis.

scry

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