Buffer overflow in Microsoft Remote Desktop Client

CVE-2025-27487

Heap-based buffer overflow in Remote Desktop Client allows an authorized attacker to execute code over a network.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.015 (73.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 74th percentile — 73.7% 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-2025-27487: held from 0.015 to 0.015.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-27487?
CVE-2025-27487 is a high-severity vulnerability in Microsoft Remote Desktop Client, classified under Heap-based Buffer Overflow. CVSS score: 8.0/10. Published 2025-04-08.
How severe is CVE-2025-27487?
High severity. CVSS v3 base score is 8.0 out of 10.