{"id":"CVE-2026-62690","title":"Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.","summary":"Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.","severity":"high","cvss":7,"cvssVector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-362","CWE-416"],"vendor":"microsoft","product":"windows_10_1809","affected":["windows_10_1809 < 10.0.17763.9115","windows_10_21h2 < 10.0.19044.7663","windows_10_22h2 < 10.0.19045.7663","windows_11_23h2 < 10.0.22631.7517","windows_11_24h2 < 10.0.26100.9106","windows_11_25h2 < 10.0.26200.9106","windows_11_26h1 < 10.0.28000.2704","windows_server_2019 < 10.0.17763.9115","windows_server_2022 < 10.0.20348.5440","windows_server_2025 < 10.0.26100.33222"],"patched":["windows_10_1809 10.0.17763.9115","windows_10_21h2 10.0.19044.7663","windows_10_22h2 10.0.19045.7663","windows_11_23h2 10.0.22631.7517","windows_11_24h2 10.0.26100.9106","windows_11_25h2 10.0.26200.9106","windows_11_26h1 10.0.28000.2704","windows_server_2019 10.0.17763.9115","windows_server_2022 10.0.20348.5440","windows_server_2025 10.0.26100.33222"],"published":"2026-08-11","updated":"2026-08-16","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-62690","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62690","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00189,"epssPercentile":0.08746,"ingestedAt":"2026-08-16T19:41:35.144Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-08-12T03:56:39.606564Z"},"slug":"CVE-2026-62690","body":"## Overview\n\nConcurrent execution using shared resource with improper synchronization ('race condition') in Windows Push Notifications allows an authorized attacker to elevate privileges locally.\n\n## Affected\n\n- `windows_10_1809 < 10.0.17763.9115`\n- `windows_10_21h2 < 10.0.19044.7663`\n- `windows_10_22h2 < 10.0.19045.7663`\n- `windows_11_23h2 < 10.0.22631.7517`\n- `windows_11_24h2 < 10.0.26100.9106`\n- `windows_11_25h2 < 10.0.26200.9106`\n- `windows_11_26h1 < 10.0.28000.2704`\n- `windows_server_2019 < 10.0.17763.9115`\n- `windows_server_2022 < 10.0.20348.5440`\n- `windows_server_2025 < 10.0.26100.33222`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_10_1809 10.0.17763.9115`\n- `windows_10_21h2 10.0.19044.7663`\n- `windows_10_22h2 10.0.19045.7663`\n- `windows_11_23h2 10.0.22631.7517`\n- `windows_11_24h2 10.0.26100.9106`\n- `windows_11_25h2 10.0.26200.9106`\n- `windows_11_26h1 10.0.28000.2704`\n- `windows_server_2019 10.0.17763.9115`\n- `windows_server_2022 10.0.20348.5440`\n- `windows_server_2025 10.0.26100.33222`","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":38.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}