What is CVE-2025-47977?

CVE-2025-47977 is a high-severity vulnerability in Microsoft Nuance Digital Engagement Platform, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2025-06-10.

How severe is CVE-2025-47977?

High severity. CVSS v3 base score is 8.2 out of 10.

XSS in Microsoft Nuance Digital Engagement Platform

CVE-2025-47977

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2025-06-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.006 · change: +0.001

Affected products

Microsoft Nuance Digital Engagement Platform — versions 1.0.0
Microsoft Nuance Digital Engagement Platform

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47977 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-47977?: CVE-2025-47977 is a high-severity vulnerability in Microsoft Nuance Digital Engagement Platform, classified under Cross-site Scripting. CVSS score: 8.2/10. Published 2025-06-10.
How severe is CVE-2025-47977?: High severity. CVSS v3 base score is 8.2 out of 10.