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CVE-2026-108132

Windows Kerberos Elevation of Privilege Vulnerability

CVSS score

7.0

EPSS probability

%0.3

Risk score

0.0

Published

5 d ago

OverviewPublic Exploits (0)NewsroomVulnerability Timeline
Official patch verified

Etkilenen ürün ve sürüm için yayımlanan güvenlik güncellemesini uygulayın.

Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

CVE-2026-108132: Windows Kerberos Elevation of Privilege Vulnerability

Sources read

3

Source agreement

1/3

Evidence confidence

%63

Short explanation

A double free vulnerability in Windows Kerberos allows an authorized attacker to elevate privileges locally. There is no active exploitation evidence, and official patches are available.

Why does it matter?

It enables an authorized attacker to increase privileges via local access, posing a risk to system security. Applying official updates is crucial.

What should be done?

  • Follow Microsoft security bulletins
  • Apply relevant updates and KB numbers
  • Keep systems updated according to vendor recommendations
Note on uncertainty

1 alanda kaynak uyuşmazlığı var. DayBreach bu değerleri saklamadı; kaynak karşılaştırması aşağıda gösteriliyor.

Chain of evidence and sources2 verified claims

Windows Kerberos içerisindeki double free zafiyeti, yetkili bir saldırganın yerel olarak yetki yükseltmesine izin verir.

S0 · daybreach-canonicalS1 · cvelistS2 · nvd

Zafiyet için aktif istismar kanıtı bulunmamaktadır ve yama durumu mevcuttur.

S0 · daybreach-canonical
Show the technical text from the sources

Double free in Windows Kerberos allows an authorized attacker to elevate privileges locally.

CVSS vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CWE: CWE-415

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-108132 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1microsoftWindows 10 Version 1607 View
2microsoftWindows 10 Version 1809 View
3microsoftWindows 10 Version 21H2 View
4microsoftWindows 10 Version 22H2 View
5microsoftWindows 11 version 23H2 View
6microsoftwindows server 2016 View
7microsoftWindows Server 2016 (Server Core installation) View
8microsoftwindows server 2019 View
9microsoftWindows Server 2019 (Server Core installation) View
10microsoftwindows server 2022 View
11microsoftwindows server 2025 View
12microsoftWindows Server 2025 (Server Core installation) View
Total affected vendors: 1|Products: 12

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCOREVERSIONSEVERITYVECTORSOURCE
7.0CVSS V31HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HNVD
7.0CVSS 3.x—CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CMicrosoft MSRC
7.0CVSS V3_1HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:CCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

14 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

cvelist

Windows Kerberos Elevation of Privilege Vulnerability

Open source
reference

Windows Kerberos Elevation of Privilege Vulnerability

Open source
reference

5126868

Open source
reference

Yama veya çözüm referansı

Open source
reference

5126651

Open source
reference

Yama veya çözüm referansı

Open source
reference

5126657

Open source
reference

Yama veya çözüm referansı

Open source
reference

5126655

Open source
reference

Yama veya çözüm referansı

Open source
reference

5126653

Open source
reference

Yama veya çözüm referansı

Open source
Confirm the affected product and version against the source evidence above.
Restrict access to internet-facing services and apply network segmentation.
Apply the official update named in the evidence only to the matching product and version.
Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-108132 is associated with the following CWEs:

CWE-415: Common Weakness Enumeration Entry CWE-415

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-2026-108132 weaknesses.

CAPEC-66: SQL InjectionCAPEC-126: Path TraversalCAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureYerel erişim
PermissionsLow
UserGerekmiyor

Official Sources and Advisories

Windows Kerberos Elevation of Privilege Vulnerabilitypatch5126868patchhttps://support.microsoft.com/help/5126868patch5126651patchhttps://support.microsoft.com/help/5126651patch5126657patchhttps://support.microsoft.com/help/5126657patch5126655patchhttps://support.microsoft.com/help/5126655patch5126653patch

CVSS Vector Radar Chart

7.0 / 10
Attack VectorLocalComplexityHighPrivilegesLowUser Interact.NoneConfidentialityHighIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Attack VectorLocal
Attack ComplexityHigh
Privileges RequiredLow privileges
User InteractionNone required
Confidentiality (Gizlilik)High
Integrity (Bütünlük)None
Availability (Erişilebilirlik)High

Yama doğrulandı

14 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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Weakness Type (CWE & CAPEC)

CWE-415

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