Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
CVE Vulnerability Details :
CVE-2026-47645
PUBLISHED
More InfoOfficial Page
Assigner-microsoft
Assigner Org ID-f38d906d-7342-40ea-92c1-6c4a2c6478c8
View Known Exploited Vulnerability (KEV) details
Published At-19 Jun, 2026 | 20:29
Updated At-23 Jun, 2026 | 17:45
Rejected At-
▼CVE Numbering Authority (CNA)
Microsoft 365 Copilot's Business Chat Elevation of Privilege Vulnerability

Url redirection to untrusted site ('open redirect') in Microsoft 365 Copilot's Business Chat allows an unauthorized attacker to elevate privileges over a network.

Affected Products
Vendor
Microsoft CorporationMicrosoft
Product
Microsoft 365 Copilot
Versions
Affected
  • -
Problem Types
TypeCWE IDDescription
CWECWE-601CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Type: CWE
CWE ID: CWE-601
Description: CWE-601: URL Redirection to Untrusted Site ('Open Redirect')
Metrics
VersionBase scoreBase severityVector
3.18.8HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Version: 3.1
Base score: 8.8
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47645
vendor-advisory
patch
Hyperlink: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47645
Resource:
vendor-advisory
patch
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Details not found