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Vulnerability record · CVE-2026-61353 · published 11 August 2026

CVE-2026-61353: Microsoft windows 10 1607 heap-based buffer overflow vulnerability

Microsoft · Windows 10 1607

Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

7.8 CVSS 3.1 High EPSS 0.33% · top 76.0% CWE-122 · Heap-based buffer overflow
7.8CVSS 3.1 base score
0.33%EPSS exploitation probability, 30 days
NoNot in CISA KEV
13Affected product versions listed by NVD
1References
16 Aug 2026Last modified by NVD

Description

Heap-based buffer overflow in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

13 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-61353 PatchVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-61353), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.