CVE-2026-62727High· 7.0▾ TwilightConcurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 38.5 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Aug 23.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
0.2%
Last analysed / modified upstream
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Telephony Service allows an authorized attacker to elevate privileges locally.
windows_10_1607 < 10.0.14393.9418windows_10_1809 < 10.0.17763.9121windows_10_21h2 < 10.0.19044.7663windows_10_22h2 < 10.0.19045.7663windows_11_23h2 < 10.0.22631.7517windows_11_24h2 < 10.0.26100.9106windows_11_25h2 < 10.0.26200.9106windows_11_26h1 < 10.0.28000.2704windows_server_2012windows_server_2012 = r2windows_server_2016 < 10.0.14393.9418windows_server_2019 < 10.0.17763.9121windows_server_2022 < 10.0.20348.5440windows_server_2025 < 10.0.26100.33222Upgrade past the affected range:
windows_10_1607 10.0.14393.9418windows_10_1809 10.0.17763.9121windows_10_21h2 10.0.19044.7663windows_10_22h2 10.0.19045.7663windows_11_23h2 10.0.22631.7517windows_11_24h2 10.0.26100.9106windows_11_25h2 10.0.26200.9106windows_11_26h1 10.0.28000.2704windows_server_2016 10.0.14393.9418windows_server_2019 10.0.17763.9121windows_server_2022 10.0.20348.5440windows_server_2025 10.0.26100.33222Connected by shared product, vendor, weakness, or advisory.
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