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The vulnerability of Microsoft 365 Copilot’s intelligent virtual assistant, related to improper validation of specified types of input data, allows attackers to disclose protected information.
🗓️ 27 Jan 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 11 |
|---|---|---|---|---|
 | CVE-2026-24307 | 22 Jan 202622:47 | – | attackerkb |
 | CVE-2026-24307 | 22 Jan 202623:28 | – | circl |
 | Microsoft M365 Copilot security vulnerabilities | 22 Jan 202600:00 | – | cnnvd |
 | CVE-2026-24307 | 22 Jan 202622:47 | – | cve |
 | CVE-2026-24307 M365 Copilot Information Disclosure Vulnerability | 22 Jan 202622:47 | – | cvelist |
 | EUVD-2026-4497 | 23 Jan 202600:31 | – | euvd |
 | M365 Copilot Information Disclosure Vulnerability | 22 Jan 202616:00 | – | mscve |
 | CVE-2026-24307 | 22 Jan 202623:15 | – | nvd |
 | PT-2026-4313 | 22 Jan 202600:00 | – | ptsecurity |
 | CVE-2026-24307 | 24 Jan 202603:17 | – | redhatcve |
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27 Jan 2026 00:00Current
5.7Medium risk
Vulners AI Score5.7
CVSS 39.3
CVSS 29.4
EPSS0.00809