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CVE-2026-85880 CISA KEV · Actively exploited

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

CVSS score

7.8

EPSS probability

%3.6

Risk score

0.6

Published

1 mo 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

DayBreach CVE AI Research

CVE-2026-85880 has vendor, distribution, patch and security-source records on file. We can compare them and prepare an explanation linked to the evidence.

Heap-based buffer overflow in Windows ALPC allows an authorized attacker to elevate privileges locally.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-85880 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 server 2012 View
6microsoftWindows Server 2012 (Server Core installation) View
7microsoftWindows Server 2012 R2 View
8microsoftWindows Server 2012 R2 (Server Core installation) View
9microsoftwindows server 2016 View
10microsoftWindows Server 2016 (Server Core installation) View
11microsoftwindows server 2019 View
12microsoftWindows Server 2019 (Server Core installation) View
13microsoftwindows server 2022 View
14microsoftwindows 10 1607 View
15microsoftwindows 10 1809 View
16microsoftwindows 10 21h2 View
17microsoftwindows 10 22h2 View
18microsoftwindows server 2012 View
19microsoftwindows server 2012 View
20microsoftwindows server 2016 View
21microsoftwindows server 2019 View
22microsoftwindows server 2022 View
23microsoftwindows View
Total affected vendors: 1|Products: 23

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
7.8CVSS V31HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HNVD
7.8CVSS V3_1HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:CCVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch verified

3 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

nvd

NVD tarafından Patch olarak etiketlenmiş referans

Open source
cvelist

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Open source
reference

Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability

Open source
canonical

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). 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.

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

This CVE is marked as actively exploited in the CISA KEV catalogue, but no verified, downloadable public PoC or Metasploit module has been found yet. Evidence of active exploitation does not mean that public exploit code exists.

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-2026-85880 is associated with the following CWEs:

CWE-122: Common Weakness Enumeration Entry CWE-122CWE-908: Common Weakness Enumeration Entry CWE-908

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-2026-85880 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 Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerabilitypatchhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-85880nvdCISA Known Exploited Vulnerabilities Catalogkev

CVSS Vector Radar Chart

7.8 / 10
Attack VectorLocalComplexityLowPrivilegesLowUser Interact.NoneConfidentialityLowIntegrityNoneAvailabilityHigh

Vulnerability Scoring Details

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

Yama doğrulandı

3 doğrulanmış yama veya düzeltilmiş sürüm kanıtı bulundu.

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Weakness Type (CWE & CAPEC)

CWE-122 CWE-908

Similar Vulnerabilities

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