CVE-2026-85877 - Vulnerability Details - OpenCVE

Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to execute code over a network.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact total

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Microsoft

Windows 11 Version 24H2

affected

Version	Status	Constraints
`10.0.26100.0`	affected	< 10.0.26100.9445

No data.

No data.

No data.

Project Subscriptions

Vendors	Products
Microsoft Subscribe	Windows 11 24h2 Subscribe

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85877

History

Tue, 08 Sep 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 08 Sep 2026 17:30:00 +0000

Type	Values Removed	Values Added
Description		Heap-based buffer overflow in Windows Print Spooler Components allows an unauthorized attacker to execute code over a network.
Title		Windows Print Spooler Remote Code Execution Vulnerability
First Time appeared		Microsoft Microsoft windows 11 24h2
Weaknesses		CWE-122
CPEs		cpe:2.3:o:microsoft:windows_11_24H2:::::::x64:*
Vendors & Products		Microsoft Microsoft windows 11 24h2
References		https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85877
Metrics		cvssV3_1 `{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: microsoft

Published: 2026-09-08T17:14:20.690Z

Updated: 2026-09-08T19:17:46.761Z

Reserved: 2026-09-04T18:18:19.325Z

Link: CVE-2026-85877

Vulnrichment

Updated: 2026-09-08T18:59:14.422Z

NVD

Status : Undergoing Analysis

Published: 2026-09-08T18:21:13.960

Modified: 2026-09-08T20:18:52.320

Link: CVE-2026-85877

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-122

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