PT-2026-2678 · Microsoft · Windows Internet Connection Sharing+1

Published 2026-01-13 · Updated 2026-01-17 · CVE-2026-20828

Positive Technologies (AI Summary)

CVSS v2.0

4.9

Medium

Base vector

AV:L/AC:L/Au:N/C:C/I:N/A:N

Name of the Vulnerable Software and Affected Versions Windows Internet Connection Sharing (ICS) (affected versions not specified)

Description An out-of-bounds read issue exists in Windows Internet Connection Sharing (ICS). This flaw could allow an attacker to disclose information. Physical access is required for exploitation. The issue allows attackers to obtain sensitive information and affect the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2026-00537

CVE-2026-20828

Affected Products

Windows

Windows Internet Connection Sharing

References · 7

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-20828 · Security Note
• https://osv.dev/vulnerability/CVE-2026-20828 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-00537 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20828 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20828 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2026-20828 · Vendor Advisory
• https://twitter.com/CVEnew/status/2012490413525840273 · Twitter Post