Home

Description

Protection mechanism failure in Windows Event Logging Service allows an authorized attacker to disclose information over a network.

PUBLISHED Reserved 2026-03-26 | Published 2026-07-14 | Updated 2026-07-14 | 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-693: Protection Mechanism Failure

Product status

10.0.17763.0 (custom) before 10.0.17763.9020
affected

10.0.19044.0 (custom) before 10.0.19044.7548
affected

10.0.19045.0 (custom) before 10.0.19045.7548
affected

10.0.22631.0 (custom) before 10.0.22631.7376
affected

10.0.22631.0 (custom) before 10.0.22631.7376
affected

10.0.26100.0 (custom) before 10.0.26100.8875
affected

10.0.26200.0 (custom) before 10.0.26200.8875
affected

10.0.28000.0 (custom) before 10.0.28000.2269
affected

10.0.17763.0 (custom) before 10.0.17763.9020
affected

10.0.17763.0 (custom) before 10.0.17763.9020
affected

10.0.20348.0 (custom) before 10.0.20348.5386
affected

10.0.26100.0 (custom) before 10.0.26100.33158
affected

10.0.26100.0 (custom) before 10.0.26100.33158
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-34348 (Windows Event Logging Service Information Disclosure Vulnerability) vendor-advisory patch

cve.org (CVE-2026-34348)

nvd.nist.gov (CVE-2026-34348)

Download JSON