[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$f2YeuP0UkN_ud5PCXwfTcTMUy-lgW65dtn9vY4bUm-kE":3,"g5a-risk:CVE-2026-81963":162},{"success":4,"data":5,"meta":159},true,{"cveId":6,"title":7,"description":8,"shortDescription":8,"publishedDate":9,"lastModified":10,"cvssScore":11,"cvssVector":12,"cvssMetrics":13,"epssScore":31,"epssPercentile":25,"epssTimeSeries":32,"severity":33,"affectedProducts":34,"affectedProductsCount":52,"references":53,"referencesCount":65,"weaknesses":66,"weaknessesCount":65,"isActivelyExploited":4,"cisaInfo":82,"otxData":25,"relatedBlogPosts":83,"seoMetadata":84,"configurations":109,"relatedVendorCves":143,"notableEvents":144},"CVE-2026-81963","What is CVE-2026-81963?","Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally.","2026-09-08T18:21:00.09","2026-09-09T05:18:17.173",7.8,"CVSS:3.1\u002FAV:L\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:U\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":14,"CVSSMetricV30":28,"CVSSMetricV2":29,"CVSSMetricV40":30},[15],{"Source":16,"Type":17,"CVSSData":18,"ExploitabilityScore":26,"ImpactScore":27},"secure@microsoft.com","Secondary",{"Version":19,"VectorString":12,"AttackVector":20,"AttackComplexity":21,"PrivilegesRequired":21,"UserInteraction":22,"Scope":23,"ConfidentialityImpact":24,"IntegrityImpact":24,"AvailabilityImpact":24,"BaseScore":11,"BaseSeverity":24,"ExploitCodeMaturity":25,"RemediationLevel":25,"ReportConfidence":25,"TemporalScore":25,"TemporalSeverity":25,"ConfidentialityRequirement":25,"IntegrityRequirement":25,"AvailabilityRequirement":25,"ModifiedAttackVector":25,"ModifiedAttackComplexity":25,"ModifiedPrivilegesRequired":25,"ModifiedUserInteraction":25,"ModifiedScope":25,"ModifiedConfidentialityImpact":25,"ModifiedIntegrityImpact":25,"ModifiedAvailabilityImpact":25,"EnvironmentalScore":25,"EnvironmentalSeverity":25},"3.1","LOCAL","LOW","NONE","UNCHANGED","HIGH",null,1.8,5.9,[],[],[],0.00393,[31,31,31,31,31,31,31],"High",[35,40,43,46,49],{"vendor":36,"product":37,"version":38,"criteria":39,"vulnerable":4},"microsoft","windows_11_23h2","*","cpe:2.3:o:microsoft:windows_11_23h2:*:*:*:*:*:*:arm64:*",{"vendor":36,"product":41,"version":38,"criteria":42,"vulnerable":4},"windows_11_24h2","cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:arm64:*",{"vendor":36,"product":44,"version":38,"criteria":45,"vulnerable":4},"windows_11_25h2","cpe:2.3:o:microsoft:windows_11_25h2:*:*:*:*:*:*:arm64:*",{"vendor":36,"product":47,"version":38,"criteria":48,"vulnerable":4},"windows_11_26h1","cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*",{"vendor":36,"product":50,"version":38,"criteria":51,"vulnerable":4},"windows_server_2025","cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*",5,[54,60],{"url":55,"source":56,"tags":57},"https:\u002F\u002Fmsrc.microsoft.com\u002Fupdate-guide\u002Fvulnerability\u002FCVE-2026-81963","Microsoft",[58,59],"Patch","Vendor Advisory",{"url":61,"source":62,"tags":63},"https:\u002F\u002Fwww.cisa.gov\u002Fknown-exploited-vulnerabilities-catalog?field_cve=CVE-2026-81963","CISA",[64],"US Government Resource",2,[67,75],{"id":68,"name":69,"description":70,"extendedDescription":71,"status":72,"abstraction":73,"structure":74},"CWE-59","Improper Link Resolution Before File Access ('Link Following')","The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.","","Draft","Base","Simple",{"id":76,"name":77,"description":78,"extendedDescription":79,"status":80,"abstraction":81,"structure":74},"CWE-284","Improper Access Control","The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.","Access control involves the use of several protection mechanisms such as:\nWhen any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc.\nThere are two distinct behaviors that can introduce access control weaknesses:","Incomplete","Pillar",{"shortDescription":71,"requiredAction":71,"vulnerabilityName":71,"dateAdded":25},[],{"title":85,"metaDescription":86,"keywords":87,"canonicalUrl":88,"structuredData":89},"What is CVE-2026-81963? 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