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Description

Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability

PUBLISHED Reserved 2026-02-11 | Published 2026-04-14 | Updated 2026-06-01 | Assigner microsoft




MEDIUM: 6.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Problem types

CWE-126: Buffer Over-read

Product status

10.0.14393.0 (custom) before 10.0.14393.9060
affected

10.0.17763.0 (custom) before 10.0.17763.8644
affected

10.0.19044.0 (custom) before 10.0.19044.7184
affected

10.0.19045.0 (custom) before 10.0.19045.7184
affected

10.0.22631.0 (custom) before 10.0.22631.6936
affected

10.0.22631.0 (custom) before 10.0.22631.6936
affected

10.0.26100.0 (custom) before 10.0.26100.8246
affected

10.0.26200.0 (custom) before 10.0.26200.8246
affected

10.0.28000.0 (custom) before 10.0.28000.1836
affected

10.0.14393.0 (custom) before 10.0.14393.9060
affected

10.0.14393.0 (custom) before 10.0.14393.9060
affected

10.0.17763.0 (custom) before 10.0.17763.8644
affected

10.0.17763.0 (custom) before 10.0.17763.8644
affected

10.0.20348.0 (custom) before 10.0.20348.5020
affected

10.0.25398.0 (custom) before 10.0.25398.2274
affected

10.0.26100.0 (custom) before 10.0.26100.32690
affected

10.0.26100.0 (custom) before 10.0.26100.32690
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-26155 (Microsoft Local Security Authority Subsystem Service Information Disclosure Vulnerability) vendor-advisory patch

cve.org (CVE-2026-26155)

nvd.nist.gov (CVE-2026-26155)

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