CVE-2026-85880

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Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.", "cisaVulnerabilityName": "Microsoft Windows Heap-Based Buffer Overflow Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x64:*", "matchCriteriaId": "F5BC051B-C14F-43DF-B3A2-A32EE0DDC142", "versionEndExcluding": "10.0.14393.9512", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:x86:*", "matchCriteriaId": "D8DA8FA6-35F6-4E0F-A9C0-37CB88186C5B", "versionEndExcluding": "10.0.14393.9512", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x64:*", "matchCriteriaId": "81786843-7838-4C74-AEA6-E64B6B354387", "versionEndExcluding": "10.0.17763.9245", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:x86:*", "matchCriteriaId": "D5E29D31-09E1-4C19-AAB0-191AA960C778", "versionEndExcluding": "10.0.17763.9245", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:arm64:*", "matchCriteriaId": "26BFC889-B503-48BF-9D82-5B3043D9A6B3", "versionEndExcluding": "10.0.19044.7725", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x64:*", "matchCriteriaId": "E6F2C029-D78A-4FAA-B2E8-FD79C2CABC32", "versionEndExcluding": "10.0.19044.7725", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:x86:*", "matchCriteriaId": "0B423BD2-DDDC-4869-9B98-3275F53B92F1", "versionEndExcluding": "10.0.19044.7725", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:arm64:*", "matchCriteriaId": "254EF7C4-707D-4480-BC27-56F64175A9AD", "versionEndExcluding": "10.0.19045.7725", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x64:*", "matchCriteriaId": "B318C958-84F6-4E33-A95C-6E95C7E286EB", "versionEndExcluding": "10.0.19045.7725", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:x86:*", "matchCriteriaId": "9828DC67-F252-4E2B-AFE9-C404BAF414E0", "versionEndExcluding": "10.0.19045.7725", "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": "C7CF508B-369A-4854-97BF-EE90E0A5BF7B", "versionEndExcluding": "10.0.14393.9512", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*", "matchCriteriaId": "14138B1B-9554-4B1D-84C6-485FB9763DA4", "versionEndExcluding": "10.0.17763.9245", "vulnerable": true}, {"criteria": "cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*", "matchCriteriaId": "496A12F9-40BF-4A40-948B-BDB1C5D17DCB", "versionEndExcluding": "10.0.20348.5622", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally."}], "id": "CVE-2026-85880", "lastModified": "2026-09-24T23:19:20.773", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "secure@microsoft.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-85880", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-08T00:00:00+00:00", "version": "2.0.3"}}]}, "published": "2026-09-08T18:21:14.087", "references": [{"source": "secure@microsoft.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85880"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85880"}], "sourceIdentifier": "secure@microsoft.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-122"}, {"lang": "en", "value": "CWE-908"}], "source": "secure@microsoft.com", "type": "Secondary"}]}

{}

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