Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network.
Metrics
Affected Vendors & Products
References
History
Fri, 23 Jan 2026 20:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
Thu, 22 Jan 2026 23:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Improper neutralization of escape, meta, or control sequences in Copilot allows an unauthorized attacker to disclose information over a network. | |
| Title | Word Copilot Information Disclosure Vulnerability | |
| First Time appeared |
Microsoft
Microsoft 365 Word Copilot |
|
| Weaknesses | CWE-150 | |
| CPEs | cpe:2.3:a:microsoft:365_word_copilot:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Microsoft
Microsoft 365 Word Copilot |
|
| References |
| |
| Metrics |
cvssV3_1
|
Status: PUBLISHED
Assigner: microsoft
Published: 2026-01-22T22:47:38.118Z
Updated: 2026-01-23T21:31:55.428Z
Reserved: 2025-12-30T18:10:54.846Z
Link: CVE-2026-21521
Updated: 2026-01-23T20:02:10.801Z
Status : Received
Published: 2026-01-22T23:15:57.823
Modified: 2026-01-22T23:15:57.823
Link: CVE-2026-21521
No data.