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CVE-2025-47977: Nuance Digital Engagement Platform Spoofing Vulnerability

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-06-10 · updated 2026-06-17
• Weakness: CWE-79

Description

Improper neutralization of input during web page generation ('cross-site scripting') in Nuance Digital Engagement Platform allows an unauthorized attacker to perform spoofing over a network.

Affected products

• Microsoft Nuance Digital Engagement Platform: before 5.64.x — fixed in 5.64.x
• Microsoft Nuance Digital Engagement Platform: from 1.0.0 before 5.64.x — fixed in 5.64.x

How to fix

Upgrade to a fixed version: Microsoft Nuance Digital Engagement Platform 5.64.x; Microsoft Nuance Digital Engagement Platform 5.64.x. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47977

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