{"id":"CVE-2026-27931","title":"Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.","summary":"Out-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","cwe":["CWE-125"],"vendor":"microsoft","product":"windows_10_21h2","affected":["windows_10_21h2 < 10.0.19044.7184","windows_10_22h2 < 10.0.19045.7184","windows_11_23h2 < 10.0.22631.6936","windows_11_24h2 < 10.0.26100.8246","windows_11_25h2 < 10.0.26200.8246","windows_11_26h1 < 10.0.28000.1836","windows_server_2022 < 10.0.20348.5020","windows_server_2022_23h2 < 10.0.25398.2274","windows_server_2025 < 10.0.26100.32690"],"patched":["windows_10_21h2 10.0.19044.7184","windows_10_22h2 10.0.19045.7184","windows_11_23h2 10.0.22631.6936","windows_11_24h2 10.0.26100.8246","windows_11_25h2 10.0.26200.8246","windows_11_26h1 10.0.28000.1836","windows_server_2022 10.0.20348.5020","windows_server_2022_23h2 10.0.25398.2274","windows_server_2025 10.0.26100.32690"],"published":"2026-04-14","updated":"2026-10-14","sourceUpdated":"2026-10-14T23:17:41.153","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-27931","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27931","label":"secure@microsoft.com"}],"tags":["nvd","cve.org"],"epss":0.00489,"epssPercentile":0.41888,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-04-14T19:03:40.871336Z"},"ingestedAt":"2026-09-25T18:14:20.454Z","slug":"CVE-2026-27931","body":"## Overview\n\nOut-of-bounds read in Windows GDI allows an unauthorized attacker to disclose information locally.\n\n## Affected\n\n- `windows_10_21h2 < 10.0.19044.7184`\n- `windows_10_22h2 < 10.0.19045.7184`\n- `windows_11_23h2 < 10.0.22631.6936`\n- `windows_11_24h2 < 10.0.26100.8246`\n- `windows_11_25h2 < 10.0.26200.8246`\n- `windows_11_26h1 < 10.0.28000.1836`\n- `windows_server_2022 < 10.0.20348.5020`\n- `windows_server_2022_23h2 < 10.0.25398.2274`\n- `windows_server_2025 < 10.0.26100.32690`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `windows_10_21h2 10.0.19044.7184`\n- `windows_10_22h2 10.0.19045.7184`\n- `windows_11_23h2 10.0.22631.6936`\n- `windows_11_24h2 10.0.26100.8246`\n- `windows_11_25h2 10.0.26200.8246`\n- `windows_11_26h1 10.0.28000.1836`\n- `windows_server_2022 10.0.20348.5020`\n- `windows_server_2022_23h2 10.0.25398.2274`\n- `windows_server_2025 10.0.26100.32690`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}