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{"cisaActionDue": "2026-02-03", "cisaExploitAdd": "2026-01-13", "cisaRequiredAction": "Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Microsoft Windows Information Disclosure Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*", "matchCriteriaId": "9A956D23-259E-450B-8406-FEB2BBED1F39", "versionEndExcluding": "10.0.14393.8783", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "matchCriteriaId": "41D387B9-5E9D-47CB-B044-D7D10FFFB458", "versionEndExcluding": "10.0.14393.8783", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "matchCriteriaId": "DD4CBDAB-7626-4048-8474-B1BD9C1F3255", "versionEndExcluding": "10.0.17763.8276", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "matchCriteriaId": "A6D4C631-2CC0-407C-9ACA-7C151006598C", "versionEndExcluding": "10.0.17763.8276", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*", "matchCriteriaId": "1895E186-5B2E-43CC-AF1F-B5C95419D8C5", "versionEndExcluding": "10.0.19044.6809", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*", "matchCriteriaId": "B7CB5184-1BA1-4D71-8AE3-CF4C6B63A469", "versionEndExcluding": "10.0.19045.6809", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:*:*", "matchCriteriaId": "8D675DAA-4DCE-4727-BE5F-C954BBD252C4", "versionEndExcluding": "10.0.22631.6491", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*", "matchCriteriaId": "D249551B-1433-4E5E-A587-40F782E91E09", "versionEndExcluding": "10.0.26100.7623", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:*:*", "matchCriteriaId": "22082D4E-E68F-4E48-98FB-42DFDEE2E2A8", "versionEndExcluding": "10.0.26200.7623", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*", "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*", "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*", "matchCriteriaId": "A059E609-F8D4-4246-BDAE-0AEDED1744D2", "versionEndExcluding": "10.0.14393.8783", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "matchCriteriaId": "A74970A1-CC81-4482-B465-8382B1544EF3", "versionEndExcluding": "10.0.17763.8276", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "C4AA6991-DE34-48F6-AFD3-77CEE7FBB692", "versionEndExcluding": "10.0.20348.4648", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022_23h2:*:*:*:*:*:*:*:*", "matchCriteriaId": "BA5947E0-C44C-4517-A307-DA79752F30A8", "versionEndExcluding": "10.0.25398.2092", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*", "matchCriteriaId": "C6BE8CAC-3A47-48FC-A0FD-F0F0ADD2A9CE", "versionEndExcluding": "10.0.26100.7623", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Exposure of sensitive information to an unauthorized actor in Desktop Windows Manager allows an authorized attacker to disclose information locally."}], "id": "CVE-2026-20805", "lastModified": "2026-01-14T13:44:31.180", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "secure@microsoft.com", "type": "Secondary"}]}, "published": "2026-01-13T18:16:07.023", "references": [{"source": "secure@microsoft.com", "tags": ["Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-20805"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-20805"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-200"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

{}