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Description

Out-of-bounds read in Windows Internet Connection Sharing (ICS) allows an unauthorized attacker to disclose information with a physical attack.

PUBLISHED Reserved 2025-12-03 | Published 2026-01-13 | Updated 2026-02-22 | Assigner microsoft




MEDIUM: 4.6CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Problem types

CWE-125: Out-of-bounds Read

Product status

10.0.14393.0 (custom) before 10.0.14393.8783
affected

10.0.17763.0 (custom) before 10.0.17763.8276
affected

10.0.19044.0 (custom) before 10.0.19044.6809
affected

10.0.19045.0 (custom) before 10.0.19045.6809
affected

10.0.22631.0 (custom) before 10.0.22631.6491
affected

10.0.22631.0 (custom) before 10.0.22631.6491
affected

10.0.26100.0 (custom) before 10.0.26100.7623
affected

10.0.26200.0 (custom) before 10.0.26200.7623
affected

6.1.7601.0 (custom) before 6.1.7601.28117
affected

6.1.7601.0 (custom) before 6.1.7601.28117
affected

6.0.6003.0 (custom) before 6.0.6003.23717
affected

6.0.6003.0 (custom) before 6.0.6003.23717
affected

6.2.9200.0 (custom) before 6.2.9200.25868
affected

6.2.9200.0 (custom) before 6.2.9200.25868
affected

6.3.9600.0 (custom) before 6.3.9600.22968
affected

6.3.9600.0 (custom) before 6.3.9600.22968
affected

10.0.14393.0 (custom) before 10.0.14393.8783
affected

10.0.14393.0 (custom) before 10.0.14393.8783
affected

10.0.17763.0 (custom) before 10.0.17763.8276
affected

10.0.17763.0 (custom) before 10.0.17763.8276
affected

10.0.20348.0 (custom) before 10.0.20348.4648
affected

10.0.25398.0 (custom) before 10.0.25398.2092
affected

10.0.26100.0 (custom) before 10.0.26100.32230
affected

10.0.26100.0 (custom) before 10.0.26100.32230
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20828 (Windows rndismp6.sys Information Disclosure Vulnerability) vendor-advisory patch

cve.org (CVE-2026-20828)

nvd.nist.gov (CVE-2026-20828)

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