Improper access control in N/a In Alias Checking Trusted Module For Some Intel(R) Xeon(R) Processors May Allow An Escalation Of Privilege. Startup Code And SMM Adversary With A Privileged User Combined With A High Complexity Attack May Enable Escalation Of Privilege. This Result May Potentially Occur Via Local Access When Attack Requirements Are Not Present Without Special Internal Knowledge And Requires No User Interaction. The Potential Vulnerability May Impact The Confidentiality (high), Integrity (high) And Availability (none) Of The Vulnerable System, Resulting In Subsequent System Confidentiality (high), Integrity (high) And Availability (none) Impacts.
CVSS Skor
8.5
EPSS İhtimal
%0.1
Risk Skoru
0.0
Yayın
2 ay önce
Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.
Envanterimdeki Etkisi
Yalnızca hesabınıza eklediğiniz kişisel ürünler değerlendirilir; kurumsal envanter burada görünmez.
Oturum kontrol ediliyor…
Zafiyet Açıklaması
DayBreach CVE AI Araştırması
CVE-2026-20898 için toplanan üretici, dağıtım, yama ve güvenlik kaynağı kayıtlarını karşılaştırıp kanıt bağlantılı bir açıklama hazırlayalım.
Improper access control in the firmware for some in Alias Checking Trusted Module for some Intel(R) Xeon(R) processors may allow an escalation of privilege. Startup code and SMM adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts.
IMPACT — Etkilenen Ürünler ve Yazılımlar
Affected Products
The following products are affected by CVE-2026-20898 vulnerability. Even if our threat engine is aware of the exact versions of the products that are affected, the information is represented below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | n/a | in Alias Checking Trusted Module for some Intel(R) Xeon(R) processors may allow an escalation of privilege. Startup code and SMM adversary with a privileged user combined with a high complexity attack may enable escalation of privilege. This result may potentially occur via local access when attack requirements are not present without special internal knowledge and requires no user interaction. The potential vulnerability may impact the confidentiality (high), integrity (high) and availability (none) of the vulnerable system, resulting in subsequent system confidentiality (high), integrity (high) and availability (none) impacts. | İncele |
| 2 | intel | xeon 6315p firmware | İncele |
| 3 | intel | xeon 6315p | İncele |
| 4 | intel | xeon 6325p firmware | İncele |
| 5 | intel | xeon 6325p | İncele |
| 6 | intel | xeon 6333p firmware | İncele |
| 7 | intel | xeon 6333p | İncele |
| 8 | intel | xeon 6337p firmware | İncele |
| 9 | intel | xeon 6337p | İncele |
| 10 | intel | xeon 6349p firmware | İncele |
| 11 | intel | xeon 6349p | İncele |
| 12 | intel | xeon 6353p firmware | İncele |
| 13 | intel | xeon 6353p | İncele |
| 14 | intel | xeon 6357p firmware | İncele |
| 15 | intel | xeon 6357p | İncele |
| 16 | intel | xeon 6369p firmware | İncele |
| 17 | intel | xeon 6369p | İncele |
| 18 | intel | xeon 6377p firmware | İncele |
| 19 | intel | xeon 6377p | İncele |
| 20 | intel | xeon 6503p firmware | İncele |
| 21 | intel | xeon 6503p | İncele |
| 22 | intel | xeon 6503p-b firmware | İncele |
| 23 | intel | xeon 6503p-b | İncele |
| 24 | intel | xeon 6505p firmware | İncele |
| 25 | intel | xeon 6505p | İncele |
| 26 | intel | xeon 6507p firmware | İncele |
| 27 | intel | xeon 6507p | İncele |
| 28 | intel | xeon 6511p firmware | İncele |
| 29 | intel | xeon 6511p | İncele |
| 30 | intel | xeon 6513p-b firmware | İncele |
| 31 | intel | xeon 6513p-b | İncele |
| 32 | intel | xeon 6515p firmware | İncele |
| 33 | intel | xeon 6515p | İncele |
| 34 | intel | xeon 6516p-b firmware | İncele |
| 35 | intel | xeon 6516p-b | İncele |
| 36 | intel | xeon 6517p firmware | İncele |
| 37 | intel | xeon 6517p | İncele |
| 38 | intel | xeon 6518p-b firmware | İncele |
| 39 | intel | xeon 6518p-b | İncele |
| 40 | intel | xeon 6520p firmware | İncele |
| 41 | intel | xeon 6520p | İncele |
| 42 | intel | xeon 6521p firmware | İncele |
| 43 | intel | xeon 6521p | İncele |
| 44 | intel | xeon 6523p-b firmware | İncele |
| 45 | intel | xeon 6523p-b | İncele |
| 46 | intel | xeon 6527p firmware | İncele |
| 47 | intel | xeon 6527p | İncele |
| 48 | intel | xeon 6530p firmware | İncele |
| 49 | intel | xeon 6530p | İncele |
| 50 | intel | xeon 6532p-b firmware | İncele |
| 51 | intel | xeon 6532p-b | İncele |
| 52 | intel | xeon 6533p-b firmware | İncele |
| 53 | intel | xeon 6533p-b | İncele |
| 54 | intel | xeon 6543p-b firmware | İncele |
| 55 | intel | xeon 6543p-b | İncele |
| 56 | intel | xeon 6544p-b firmware | İncele |
| 57 | intel | xeon 6544p-b | İncele |
| 58 | intel | xeon 6546p-b firmware | İncele |
| 59 | intel | xeon 6546p-b | İncele |
| 60 | intel | xeon 6548p-b firmware | İncele |
| 61 | intel | xeon 6548p-b | İncele |
| 62 | intel | xeon 6553p-b firmware | İncele |
| 63 | intel | xeon 6553p-b | İncele |
| 64 | intel | xeon 6556p-b firmware | İncele |
| 65 | intel | xeon 6556p-b | İncele |
| 66 | intel | xeon 6563p-b firmware | İncele |
| 67 | intel | xeon 6563p-b | İncele |
| 68 | intel | xeon 6706p-b firmware | İncele |
| 69 | intel | xeon 6706p-b | İncele |
| 70 | intel | xeon 6710e firmware | İncele |
| 71 | intel | xeon 6710e | İncele |
| 72 | intel | xeon 6714p firmware | İncele |
| 73 | intel | xeon 6714p | İncele |
| 74 | intel | xeon 6716p-b firmware | İncele |
| 75 | intel | xeon 6716p-b | İncele |
| 76 | intel | xeon 6718p-b firmware | İncele |
| 77 | intel | xeon 6718p-b | İncele |
| 78 | intel | xeon 6724p firmware | İncele |
| 79 | intel | xeon 6724p | İncele |
| 80 | intel | xeon 6725p firmware | İncele |
| 81 | intel | xeon 6725p | İncele |
| 82 | intel | xeon 6726p-b firmware | İncele |
| 83 | intel | xeon 6726p-b | İncele |
| 84 | intel | xeon 6728p firmware | İncele |
| 85 | intel | xeon 6728p | İncele |
| 86 | intel | xeon 6730p firmware | İncele |
| 87 | intel | xeon 6730p | İncele |
| 88 | intel | xeon 6731e firmware | İncele |
| 89 | intel | xeon 6731e | İncele |
| 90 | intel | xeon 6731p firmware | İncele |
| 91 | intel | xeon 6731p | İncele |
| 92 | intel | xeon silver 4410t firmware | İncele |
| 93 | intel | xeon silver 4410t | İncele |
| 94 | intel | xeon silver 4410tm firmware | İncele |
| 95 | intel | xeon silver 4410tm | İncele |
| 96 | intel | xeon silver 4410y firmware | İncele |
| 97 | intel | xeon silver 4410y | İncele |
| 98 | intel | xeon silver 4416 firmware | İncele |
| 99 | intel | xeon silver 4416 | İncele |
| 100 | intel | xeon silver 4509y firmware | İncele |
| 101 | intel | xeon silver 4509y | İncele |
| 102 | intel | xeon silver 4510 firmware | İncele |
| 103 | intel | xeon silver 4510 | İncele |
| 104 | intel | xeon silver 4510t firmware | İncele |
| 105 | intel | xeon silver 4510t | İncele |
| 106 | intel | xeon silver 4514y firmware | İncele |
| 107 | intel | xeon silver 4514y | İncele |
| 108 | intel | xeon silver 4516y+ firmware | İncele |
| 109 | intel | xeon silver 4516y+ | İncele |
| 110 | intel | xeon 6732p firmware | İncele |
| 111 | intel | xeon 6732p | İncele |
| 112 | intel | xeon 6736p firmware | İncele |
| 113 | intel | xeon 6736p | İncele |
| 114 | intel | xeon 6737p firmware | İncele |
| 115 | intel | xeon 6737p | İncele |
| 116 | intel | xeon 6738p firmware | İncele |
| 117 | intel | xeon 6738p | İncele |
| 118 | intel | xeon 6740e firmware | İncele |
| 119 | intel | xeon 6740e | İncele |
| 120 | intel | xeon 6740p firmware | İncele |
| 121 | intel | xeon 6740p | İncele |
| 122 | intel | xeon 6741p firmware | İncele |
| 123 | intel | xeon 6741p | İncele |
| 124 | intel | xeon 6745p firmware | İncele |
| 125 | intel | xeon 6745p | İncele |
| 126 | intel | xeon 6746e firmware | İncele |
| 127 | intel | xeon 6746e | İncele |
| 128 | intel | xeon 6747p firmware | İncele |
| 129 | intel | xeon 6747p | İncele |
| 130 | intel | xeon 6748p firmware | İncele |
| 131 | intel | xeon 6748p | İncele |
| 132 | intel | xeon 6756e firmware | İncele |
| 133 | intel | xeon 6756e | İncele |
| 134 | intel | xeon 6756p-b firmware | İncele |
| 135 | intel | xeon 6756p-b | İncele |
| 136 | intel | xeon 6760p firmware | İncele |
| 137 | intel | xeon 6760p | İncele |
| 138 | intel | xeon 6761p firmware | İncele |
| 139 | intel | xeon 6761p | İncele |
| 140 | intel | xeon 6766e firmware | İncele |
| 141 | intel | xeon 6766e | İncele |
| 142 | intel | xeon 6766p-b firmware | İncele |
| 143 | intel | xeon 6766p-b | İncele |
| 144 | intel | xeon 6767p firmware | İncele |
| 145 | intel | xeon 6767p | İncele |
| 146 | intel | xeon 6768p firmware | İncele |
| 147 | intel | xeon 6768p | İncele |
| 148 | intel | xeon 6768p-b firmware | İncele |
| 149 | intel | xeon 6768p-b | İncele |
| 150 | intel | xeon 6774p firmware | İncele |
| 151 | intel | xeon 6774p | İncele |
| 152 | intel | xeon 6776p firmware | İncele |
| 153 | intel | xeon 6776p | İncele |
| 154 | intel | xeon 6776p-b firmware | İncele |
| 155 | intel | xeon 6776p-b | İncele |
| 156 | intel | xeon 6780e firmware | İncele |
| 157 | intel | xeon 6780e | İncele |
| 158 | intel | xeon 6781p firmware | İncele |
| 159 | intel | xeon 6781p | İncele |
| 160 | intel | xeon 6787p firmware | İncele |
| 161 | intel | xeon 6787p | İncele |
| 162 | intel | xeon 6788p firmware | İncele |
| 163 | intel | xeon 6788p | İncele |
| 164 | intel | xeon 6944p firmware | İncele |
| 165 | intel | xeon 6944p | İncele |
| 166 | intel | xeon 6952p firmware | İncele |
| 167 | intel | xeon 6952p | İncele |
| 168 | intel | xeon 6960p firmware | İncele |
| 169 | intel | xeon 6960p | İncele |
| 170 | intel | xeon 6962p firmware | İncele |
| 171 | intel | xeon 6962p | İncele |
| 172 | intel | xeon 6972p firmware | İncele |
| 173 | intel | xeon 6972p | İncele |
| 174 | intel | xeon 6978p firmware | İncele |
| 175 | intel | xeon 6978p | İncele |
| 176 | intel | xeon 6979p firmware | İncele |
| 177 | intel | xeon 6979p | İncele |
| 178 | intel | xeon 6980p firmware | İncele |
| 179 | intel | xeon 6980p | İncele |
| 180 | intel | xeon bronze 3408u firmware | İncele |
| 181 | intel | xeon bronze 3408u | İncele |
| 182 | intel | xeon bronze 3508u firmware | İncele |
| 183 | intel | xeon bronze 3508u | İncele |
| 184 | intel | xeon gold 5403n firmware | İncele |
| 185 | intel | xeon gold 5403n | İncele |
| 186 | intel | xeon gold 5411n firmware | İncele |
| 187 | intel | xeon gold 5411n | İncele |
| 188 | intel | xeon gold 5412u firmware | İncele |
| 189 | intel | xeon gold 5412u | İncele |
| 190 | intel | xeon gold 5415 firmware | İncele |
| 191 | intel | xeon gold 5415 | İncele |
| 192 | intel | xeon gold 5416s firmware | İncele |
| 193 | intel | xeon gold 5416s | İncele |
| 194 | intel | xeon gold 5418n firmware | İncele |
| 195 | intel | xeon gold 5418n | İncele |
| 196 | intel | xeon gold 5418y firmware | İncele |
| 197 | intel | xeon gold 5418y | İncele |
| 198 | intel | xeon gold 5420 firmware | İncele |
| 199 | intel | xeon gold 5420 | İncele |
| 200 | intel | xeon gold 5423n firmware | İncele |
RED HAT CSAF/VEX — Ürün Etki Kontrolü
SCORING — CVSS Çoklu Kaynak Skoru
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from various sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 8.5 | CVSS V4_0 | HIGH | CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N | CVE CNA |
| 8.5 | CVSS V40 | HIGH | CVSS:4.0/AV:L/AC:H/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD |
| 7.2 | CVSS V31 | HIGH | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N | NVD |
Yama ve İyileştirme Rehberi (Solution)
Solution & Remediation Advisory
İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.
Public exploit ve aktif sömürü durumu
Doğrulanmış exploit istihbaratı
Bu CVE için henüz doğrulanmış public PoC, exploit repository’si veya Metasploit modülü bulunamadı.
Zafiyet Dağılımı ve Saldırı Kalıpları (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-20898 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-20898 weaknesses.
Saldırı Vektörü ve Erişilebilirlik Karakteristiği
Resmi Kaynaklar ve Danışma Bültenleri
İlgili Benzer Açıklar
Bu açığı API ile alın
Etkilenen ürünler, sürüm aralıkları, istismar durumu ve yama bilgisi tek istekte; ücretsiz anahtarla.
curl -H "x-api-key: $DAYBREACH_API_KEY" \ "https://api.daybreach.dev/api/v1/intel/cves/CVE-2026-20898"