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Vulnerabilities/CVE-2026-68893Public Intelligence Dossier
Source: Microsoft · Limited verification•Last verified: •Collection Running
CVE-2026-68893Unknown / EvaluatingImportant (raw)CVSS 7.1

Remote Desktop Licensing Service Elevation of Privilege Vulnerability

Published: 08 Sept 2026•Last updated: 08 Sept 2026, 12:30 PM IST•Source identifier: Unknown
Dossier completeness: source-provided sections 3 / 3 · rule guidance available. Missing source facts count as incomplete.
Official source
CISA KEV catalog
Unknown
KEV status was not determined.
CVSS score
7.1Important (raw)
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Metric sourceMicrosoft MSRC CVRF
EPSS probability
0.6%0.006
Percentile46th
Weakness type
—
No further CWE recorded
Remediation
Patch status unknown
KB5122876, KB5122882, KB5122871, KB5123099, KB5123065, KB5123066

Why It Matters

Analysis dossier

Why It Matters

Use after free in Windows Remote Desktop Licensing Service allows an authorized attacker to elevate privileges over a network.

SOC priority

Medium

Actively exploited

No

Publicly disclosed

Unknown

Risk basis: No confirmed exploitation signal in current enrichment

Affected Products & Remediation

16 source-backed products
Affected products and versions (source)
  • Windows 10 Version 1809 for 32-bit Systems · version range not provided by source · Microsoft MSRC · Source
  • Windows 10 Version 1809 for x64-based Systems · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2019 · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2019 (Server Core installation) · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2022 · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2022 (Server Core installation) · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2025 (Server Core installation) · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2025 · version range not provided by source · Microsoft MSRC · Source
  • Windows 10 Version 1607 for 32-bit Systems · version range not provided by source · Microsoft MSRC · Source
  • Windows 10 Version 1607 for x64-based Systems · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2016 · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2016 (Server Core installation) · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2012 · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2012 (Server Core installation) · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2012 R2 · version range not provided by source · Microsoft MSRC · Source
  • Windows Server 2012 R2 (Server Core installation) · version range not provided by source · Microsoft MSRC · Source
Recorded patch / KBKB5122876, KB5122882, KB5122871, KB5123099, KB5123065, KB5123066

Vendor or catalog guidance (source)

  • Microsoft MSRC: Install the security update KB5122876 listed by MSRC
  • Microsoft MSRC: Install the security update KB5122882 listed by MSRC
  • Microsoft MSRC: Install the security update KB5122871 listed by MSRC
  • Microsoft MSRC: Install the security update KB5123099 listed by MSRC
  • Microsoft MSRC: Install the security update KB5123065 listed by MSRC

Known exploitation (source facts)

Only what a source states. Unknown means no source has said either way; it is not "not exploited".

CISA KEV
Unknown
Exploited (source statement)
No
Publicly disclosed (source)
Unknown

Suggested hunting (rule-based inference)

SecOps Signal recommendation (rule-based inference). These steps are hunting hypotheses from the vulnerability class; they do not state or imply that exploitation occurred here or anywhere.

Matched microsoft-enterprise (Affected product: Windows 10 Version 1809 for 32-bit Systems, Vendor: Microsoft); user-interaction-client (CVSS AV:N, CVSS UI:R)

Exposure

  1. Identify affected Microsoft products and compare local builds with the MSRC advisory.Telemetry: DeviceTvmSoftwareVulnerabilities · The MSRC product/build mapping establishes applicability. · Rule microsoft-enterprise
  2. Identify endpoints reporting this CVE, especially those used for email and web browsing.Telemetry: DeviceTvmSoftwareVulnerabilities · A network vector that needs user interaction points at user-facing client software. · Rule user-interaction-client

Exploitation evidence

  1. Review the advisory's documented behavior on matching hosts before selecting a hunt.Telemetry: DeviceProcessEvents · Product family alone does not justify a CVE-specific detection. · Rule microsoft-enterprise
Show more (2)

Exploitation evidence

  1. Review unusual child processes started by the affected client application on affected endpoints.Telemetry: DeviceProcessEvents · Hunting hypothesis from the CVSS vector; it does not show that exploitation occurred. · Rule user-interaction-client

Response

  1. Confirm the source-stated KB or mitigation on matching assets.Telemetry: DeviceTvmSoftwareVulnerabilities · A post-update inventory check verifies remediation. · Rule microsoft-enterprise

CISA KEV Record

CISA KEV status was not determined for this record.

Change History & Source Data

— No recorded material change

CNA / source
Unknown
Record status · verification
UPDATED · Unknown
CPE
Unknown

Evidence & Provenance

1 public source
api.msrc.microsoft.comSource record
Detection Hunting Query

— No published hunting query names this record. Browse community and library queries instead.

Open KQL Library

Correlated briefings

Microsoft Security Update Guide · Limited verificationSeptember 2026 Security UpdatesPublished 08 Sept 2026
SecOps Signal surfaces public advisory facts only. A missing value means the source has not published it, not that your environment is unaffected. No tenant inventory is connected.