Use After Free in Microsoft Windows 10 1607

CVE-2025-47991

Use after free in Microsoft Input Method Editor (IME) allows an authorized attacker to elevate privileges locally.

Vulnerability class: Use-After-Free

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.003 (22.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 22.8% 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-2025-47991: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-47991?
CVE-2025-47991 is a high-severity vulnerability in Microsoft Windows 10 1607, classified under Use After Free. CVSS score: 7.8/10. Published 2025-07-08.
How severe is CVE-2025-47991?
High severity. CVSS v3 base score is 7.8 out of 10.