CVE-2026-21521 PUBLISHED CVSS 7.400000095367432 HIGH

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

EPSS 0.06% · 19.9th percentile

Risk Scores

CVSS v3.1
7.400000095367432
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C
EPSS Score
0.06%
19.9th percentile

Affected Products

VendorProductVersions
MicrosoftMicrosoft 365 Word Copilot-
microsoft365_word_copilot-

Timeline

References

Open in Interactive Console →