CVE-2026-25188CWE-122

Windows Telephony Service Elevation of Privilege Vulnerability

High · published March 10, 2026

CVSS v3.1
8.8
EPSS
1%
Percentile
46.9
In the wild
Unconfirmed
What it is

Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network.

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.00579 · 46.9th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-03-10T17:04Z
EPSS history
Timeline
  • 10 MAR 17:04Z
    Windows Telephony Service Elevation of Privilege Vulnerability
    cvelistv5