CVE-2026-62727

published 2026-08-19

CVE-2026-62727: Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to…

Priority P3 37 high 7 CVSS 3.1

AV L AC H PR L UI N S U C H I H A H

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.

Affected

27 ranges · showing 25

Vendor	Product	Version range	Fixed in
microsoft	windows_10_1607	< 10.0.14393.9418	10.0.14393.9418
microsoft	windows_10_1809	< 10.0.17763.9121	10.0.17763.9121
microsoft	windows_10_21h2	< 10.0.19044.7663	10.0.19044.7663
microsoft	windows_10_22h2	< 10.0.19045.7663	10.0.19045.7663
microsoft	windows_10_version_1607	>= 10.0.14393.0 < 10.0.14393.9418	10.0.14393.9418
microsoft	windows_10_version_1809	>= 10.0.17763.0 < 10.0.17763.9121	10.0.17763.9121
microsoft	windows_10_version_21h2	>= 10.0.19044.0 < 10.0.19044.7663	10.0.19044.7663
microsoft	windows_10_version_22h2	>= 10.0.19045.0 < 10.0.19045.7663	10.0.19045.7663
microsoft	windows_11_23h2	< 10.0.22631.7517	10.0.22631.7517
microsoft	windows_11_24h2	< 10.0.26100.9106	10.0.26100.9106
microsoft	windows_11_25h2	< 10.0.26200.9106	10.0.26200.9106
microsoft	windows_11_26h1	< 10.0.28000.2704	10.0.28000.2704
microsoft	windows_11_version_23h2	>= 10.0.22631.0 < 10.0.22631.7517	10.0.22631.7517
microsoft	windows_11_version_24h2	>= 10.0.26100.0 < 10.0.26100.9168	10.0.26100.9168
microsoft	windows_11_version_25h2	>= 10.0.26200.0 < 10.0.26200.9168	10.0.26200.9168
microsoft	windows_11_version_26h1	>= 10.0.28000.0 < 10.0.28000.2704	10.0.28000.2704
microsoft	windows_server_2012	—	—
microsoft	windows_server_2012	>= 6.2.9200.0 < 6.2.9200.26280	6.2.9200.26280
microsoft	windows_server_2012_r2	>= 6.3.9600.0 < 6.3.9600.23338	6.3.9600.23338
microsoft	windows_server_2016	< 10.0.14393.9418	10.0.14393.9418
microsoft	windows_server_2016	>= 10.0.14393.0 < 10.0.14393.9418	10.0.14393.9418
microsoft	windows_server_2019	< 10.0.17763.9121	10.0.17763.9121
microsoft	windows_server_2019	>= 10.0.17763.0 < 10.0.17763.9121	10.0.17763.9121
microsoft	windows_server_2022	< 10.0.20348.5440	10.0.20348.5440
microsoft	windows_server_2022	>= 10.0.20348.0 < 10.0.20348.5499	10.0.20348.5499

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CWE-362