Auth bypass in Microsoft Windows

CVE-2025-55077

Tyler Technologies ERP Pro 9 SaaS allows an authenticated user to escape the application and execute limited operating system commands within the remote Microsoft Windows environment with the privileges of the authenticated user. Tyler Technologies deployed hardened remote Windows environment settings to all ERP Pro 9 SaaS customer environments as of 2025-08-01.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (10.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-55077: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-55077?
CVE-2025-55077 is a high-severity vulnerability in Microsoft Windows, classified under CWE-250. CVSS score: 7.4/10. Published 2025-08-07.
How severe is CVE-2025-55077?
High severity. CVSS v3 base score is 7.4 out of 10.
Is CVE-2025-55077 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.