[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fgdy8_ytBPYopgykASoQ2t-isuhA4UsHbQ9qSwXhK6ZE":3,"g5a-risk:CVE-2023-21674":182},{"success":4,"data":5,"meta":179},true,{"cveId":6,"title":7,"description":8,"shortDescription":8,"publishedDate":9,"lastModified":10,"cvssScore":11,"cvssVector":12,"cvssMetrics":13,"epssScore":28,"epssPercentile":25,"epssTimeSeries":29,"severity":30,"affectedProducts":31,"affectedProductsCount":75,"references":76,"referencesCount":26,"weaknesses":85,"weaknessesCount":94,"isActivelyExploited":4,"cisaInfo":95,"otxData":25,"relatedBlogPosts":96,"seoMetadata":97,"configurations":122,"relatedVendorCves":163,"notableEvents":164},"CVE-2023-21674","What is CVE-2023-21674?","Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability","2023-01-10T22:15:16.307","2025-03-07T17:12:53.023",8.8,"CVSS:3.1\u002FAV:L\u002FAC:L\u002FPR:L\u002FUI:N\u002FS:C\u002FC:H\u002FI:H\u002FA:H",{"CVSSMetricV31":14,"CVSSMetricV30":25,"CVSSMetricV2":25,"CVSSMetricV40":25},[15],{"Source":16,"Type":17,"CVSSData":18,"ExploitabilityScore":26,"ImpactScore":27},"secure@microsoft.com","Primary",{"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":24,"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","CHANGED","HIGH",null,2,6,0.40987,[28,28,28,28,28,28,28],"High",[32,37,40,43,46,49,52,55,58,62,66,69,72],{"vendor":33,"product":34,"version":35,"criteria":36,"vulnerable":4},"microsoft","windows_10_1507","*","cpe:2.3:o:microsoft:windows_10_1507:*:*:*:*:*:*:*:*",{"vendor":33,"product":38,"version":35,"criteria":39,"vulnerable":4},"windows_10_1607","cpe:2.3:o:microsoft:windows_10_1607:*:*:*:*:*:*:*:*",{"vendor":33,"product":41,"version":35,"criteria":42,"vulnerable":4},"windows_10_1809","cpe:2.3:o:microsoft:windows_10_1809:*:*:*:*:*:*:*:*",{"vendor":33,"product":44,"version":35,"criteria":45,"vulnerable":4},"windows_10_20h2","cpe:2.3:o:microsoft:windows_10_20h2:*:*:*:*:*:*:*:*",{"vendor":33,"product":47,"version":35,"criteria":48,"vulnerable":4},"windows_10_21h2","cpe:2.3:o:microsoft:windows_10_21h2:*:*:*:*:*:*:*:*",{"vendor":33,"product":50,"version":35,"criteria":51,"vulnerable":4},"windows_10_22h2","cpe:2.3:o:microsoft:windows_10_22h2:*:*:*:*:*:*:*:*",{"vendor":33,"product":53,"version":35,"criteria":54,"vulnerable":4},"windows_11_21h2","cpe:2.3:o:microsoft:windows_11_21h2:*:*:*:*:*:*:*:*",{"vendor":33,"product":56,"version":35,"criteria":57,"vulnerable":4},"windows_11_22h2","cpe:2.3:o:microsoft:windows_11_22h2:*:*:*:*:*:*:*:*",{"vendor":33,"product":59,"version":60,"criteria":61,"vulnerable":4},"windows_rt_8.1","-","cpe:2.3:o:microsoft:windows_rt_8.1:-:*:*:*:*:*:*:*",{"vendor":33,"product":63,"version":64,"criteria":65,"vulnerable":4},"windows_server_2012","r2","cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*",{"vendor":33,"product":67,"version":35,"criteria":68,"vulnerable":4},"windows_server_2016","cpe:2.3:o:microsoft:windows_server_2016:*:*:*:*:*:*:*:*",{"vendor":33,"product":70,"version":35,"criteria":71,"vulnerable":4},"windows_server_2019","cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",{"vendor":33,"product":73,"version":35,"criteria":74,"vulnerable":4},"windows_server_2022","cpe:2.3:o:microsoft:windows_server_2022:*:*:*:*:*:*:*:*",13,[77,83],{"url":78,"source":79,"tags":80},"https:\u002F\u002Fmsrc.microsoft.com\u002Fupdate-guide\u002Fvulnerability\u002FCVE-2023-21674","Microsoft",[81,82],"Patch","Vendor Advisory",{"url":78,"source":79,"tags":84},[81,82],[86],{"id":87,"name":88,"description":89,"extendedDescription":90,"status":91,"abstraction":92,"structure":93},"CWE-416","Use After Free","The product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory \"belongs\" to the code that operates on the new pointer.","","Stable","Variant","Simple",1,{"shortDescription":90,"requiredAction":90,"vulnerabilityName":90,"dateAdded":25},[],{"title":98,"metaDescription":99,"keywords":100,"canonicalUrl":101,"structuredData":102},"What is CVE-2023-21674? Vulnerability Analysis | Security Advisory | Precursor Intelligence","Comprehensive analysis of CVE-2023-21674, a high severity cyber security vulnerability from 2023. High exploit probability (41.0%). Windows Advanced Local Pr...","CVE-2023-21674, CVE-2023-21674 vulnerability, CVE-2023-21674 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research, vulnerability assessment, cyber threats, 2023, CVSS score, exploit, patch, remediation, microsoft security, windows_10_1507 vulnerability, windows_10_1607 vulnerability, windows_10_1809 vulnerability, windows_10_20h2 vulnerability, windows_10_21h2 vulnerability, high risk vulnerability, actively exploited","\u002Fwhat-is\u002Fcve-2023-21674",{"@context":103,"@type":104,"headline":98,"description":99,"datePublished":9,"dateModified":10,"author":105,"publisher":109,"about":113,"mainEntityOfPage":117,"articleSection":120,"keywords":121},"https:\u002F\u002Fschema.org","TechArticle",{"@type":106,"name":107,"url":108},"Organization","Precursor Intelligence","https:\u002F\u002Fprecursorintelligence.com",{"@type":106,"name":107,"url":108,"logo":110},{"@type":111,"url":112},"ImageObject","https:\u002F\u002Fprecursorintelligence.com\u002Fimg\u002Flogos\u002Feplogo.png",{"@type":114,"name":6,"description":115,"additionalType":116},"Thing","Cybersecurity Vulnerability","https:\u002F\u002Fschema.org\u002FSoftwareBug",{"@type":118,"@id":119},"WebPage","https:\u002F\u002Fprecursorintelligence.com\u002Fwhat-is\u002Fcve-2023-21674","Cybersecurity","CVE-2023-21674, CVE-2023-21674 vulnerability, CVE-2023-21674 security, high severity vulnerability, cybersecurity, vulnerability analysis, security advisory, CVE database, threat intelligence, security research",[123],{"Operator":25,"Negate":25,"Nodes":124},[125],{"Operator":126,"Negate":25,"CPEMatch":127},"OR",[128,131,134,137,140,143,146,149,152,154,156,158,160],{"Vulnerable":4,"Criteria":36,"MatchCriteriaID":129,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":130,"VersionEndIncluding":25},"2A983693-C39E-424B-8A1E-BD7B3A199632","10.0.10240.19685",{"Vulnerable":4,"Criteria":39,"MatchCriteriaID":132,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":133,"VersionEndIncluding":25},"960B3437-DF2C-4CF6-AF06-9AF1E6AC9EA5","10.0.14393.5648",{"Vulnerable":4,"Criteria":42,"MatchCriteriaID":135,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":136,"VersionEndIncluding":25},"A7F8B54C-4564-497A-9786-876A516219C3","10.0.17763.3887",{"Vulnerable":4,"Criteria":45,"MatchCriteriaID":138,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":139,"VersionEndIncluding":25},"9EC1EA32-6810-4092-BEBF-120FBE093A5B","10.0.19042.2486",{"Vulnerable":4,"Criteria":48,"MatchCriteriaID":141,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":142,"VersionEndIncluding":25},"05BF289F-51FE-4CE5-8487-D909E4CA3D77","10.0.19044.2486",{"Vulnerable":4,"Criteria":51,"MatchCriteriaID":144,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":145,"VersionEndIncluding":25},"127FA76C-101B-4DAB-9034-1B893016D06A","10.0.19045.2486",{"Vulnerable":4,"Criteria":54,"MatchCriteriaID":147,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":148,"VersionEndIncluding":25},"84D221BE-D305-4BB8-ADAF-DEDFF7E35C8D","10.0.22000.1455",{"Vulnerable":4,"Criteria":57,"MatchCriteriaID":150,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":151,"VersionEndIncluding":25},"3E62759B-9029-42E8-8807-1AC4C2D00401","10.0.22621.1105",{"Vulnerable":4,"Criteria":61,"MatchCriteriaID":153,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":25,"VersionEndIncluding":25},"C6CE5198-C498-4672-AF4C-77AB4BE06C5C",{"Vulnerable":4,"Criteria":65,"MatchCriteriaID":155,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":25,"VersionEndIncluding":25},"DB18C4CE-5917-401E-ACF7-2747084FD36E",{"Vulnerable":4,"Criteria":68,"MatchCriteriaID":157,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":133,"VersionEndIncluding":25},"D1FFC699-725E-4F6A-988D-228613256CA3",{"Vulnerable":4,"Criteria":71,"MatchCriteriaID":159,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":136,"VersionEndIncluding":25},"7F9F1524-807A-49CC-9F15-B4967AF78E31",{"Vulnerable":4,"Criteria":74,"MatchCriteriaID":161,"VersionStartExcluding":25,"VersionStartIncluding":25,"VersionEndExcluding":162,"VersionEndIncluding":25},"D47581C0-F0DF-45D3-8BBF-B49E2172E01C","10.0.20348.1487",[],[165,172],{"id":166,"eventType":167,"eventTime":168,"details":169,"label":170,"color":171},"277b31f9-0e92-40cb-a8bb-1a72dba7bf9a","HIGH_EPSS_DELTA","2025-11-19T04:05:24.086888+00:00","Daily EPSS score increased by 0.300 on 2023-12-30","EPSS Score Increased","red",{"id":173,"eventType":174,"eventTime":175,"details":176,"label":177,"color":178},"a1198405-6bcc-4279-82ad-ba8f9250eb33","LOW_EPSS_DELTA","2025-11-22T04:05:12.041228+00:00","Daily EPSS score decreased by 0.300 on 2023-12-30","EPSS Score Decreased","green",{"lastModified":10,"cacheTime":180,"version":181},1792252757233,"2.0",{"score":183,"band":30,"action":184,"scoredAt":185},72,"Emergency patch","2026-10-16T06:56:48.350884+00:00"]