CVE-2026-25188

CWE-122 — Heap-based Buffer Overflow5 documents5 sources
Severity
8.8HIGH
EPSS
0.1%
top 71.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
29
Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2+26 more
Timeline
PublishedMar 10

Description

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

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages29 packages

▶NVDmicrosoft/windows< 10.0.14393.8957+5
▶NVDmicrosoft/windows_10_1607< 10.0.14393.8957
▶NVDmicrosoft/windows_10_1809< 10.0.17763.8511
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.7058
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.7058

🔴Vulnerability Details

2
GHSA
GHSA-4rww-gpv7-6j3g: Heap-based buffer overflow in Windows Telephony Service allows an unauthorized attacker to elevate privileges over an adjacent network↗2026-03-10
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CVEList
Windows Telephony Service Elevation of Privilege Vulnerability↗2026-03-10
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📋Vendor Advisories

1
Microsoft
Windows Telephony Service Elevation of Privilege Vulnerability↗2026-03-10
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🕵️Threat Intelligence

1
Wiz
CVE-2026-25188 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-25188 (HIGH CVSS 8.8) | Heap-based buffer overflow in Windo | cvebase.io