Skip to main content
Threat Radar animated logo
EPSS 0.2%top 89%

CVE-2026-27910: CWE-280: Improper Handling of Insufficient Permissions or Privileges in Microsoft Windows 10 Version 1607

0
High
VulnerabilityCVE-2026-27910cvecve-2026-27910cwe-280
Published: 04/14/2026 (04/14/2026, 16:58:05 UTC)
Source: CVE Database V5
Vendor/Project: Microsoft
Product: Windows 10 Version 1607

Description

Improper handling of insufficient permissions or privileges in Windows Installer allows an authorized attacker to elevate privileges locally.

CVSS v3.1

Score 7.8high

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Affected software

Microsoft

Windows 10 Version 1607

Affected versions
>=10.0.14393.0 <10.0.14393.9060

Microsoft

Windows 10 Version 1809

Affected versions
>=10.0.17763.0 <10.0.17763.8644

Microsoft

Windows 10 Version 21H2

Affected versions
>=10.0.19044.0 <10.0.19044.7184

Microsoft

Windows 10 Version 22H2

Affected versions
>=10.0.19045.0 <10.0.19045.7184

Microsoft

Windows 11 version 22H3

Affected versions
>=10.0.22631.0 <10.0.22631.6936

Microsoft

Windows 11 Version 23H2

Affected versions
>=10.0.22631.0 <10.0.22631.6936

Microsoft

Windows 11 Version 24H2

Affected versions
>=10.0.26100.0 <10.0.26100.8246

Microsoft

Windows 11 Version 25H2

Affected versions
>=10.0.26200.0 <10.0.26200.8246

Microsoft

Windows 11 version 26H1

Affected versions
>=10.0.28000.0 <10.0.28000.1836

Microsoft

Windows Server 2012

Affected versions
>=6.2.9200.0 <6.2.9200.26026

Microsoft

Windows Server 2012 (Server Core installation)

Affected versions
>=6.2.9200.0 <6.2.9200.26026

Microsoft

Windows Server 2012 R2

Affected versions
>=6.3.9600.0 <6.3.9600.23132

Microsoft

Windows Server 2012 R2 (Server Core installation)

Affected versions
>=6.3.9600.0 <6.3.9600.23132

Microsoft

Windows Server 2016

Affected versions
>=10.0.14393.0 <10.0.14393.9060

Microsoft

Windows Server 2016 (Server Core installation)

Affected versions
>=10.0.14393.0 <10.0.14393.9060

Microsoft

Windows Server 2019

Affected versions
>=10.0.17763.0 <10.0.17763.8644

Microsoft

Windows Server 2019 (Server Core installation)

Affected versions
>=10.0.17763.0 <10.0.17763.8644

Microsoft

Windows Server 2022

Affected versions
>=10.0.20348.0 <10.0.20348.5020

Microsoft

Windows Server 2022, 23H2 Edition (Server Core installation)

Affected versions
>=10.0.25398.0 <10.0.25398.2274

Microsoft

Windows Server 2025

Affected versions
>=10.0.26100.0 <10.0.26100.32690

Microsoft

Windows Server 2025 (Server Core installation)

Affected versions
>=10.0.26100.0 <10.0.26100.32690

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 08/15/2026, 13:57:26 UTC

Technical Analysis

This vulnerability (CVE-2026-27910) involves improper handling of insufficient permissions or privileges within the Windows Installer component of Microsoft Windows 10 Version 1607 (build 10.0.14393.0). It enables an authorized local attacker to elevate their privileges, potentially gaining higher system rights than intended. The CVSS 3.1 base score is 7.8, reflecting high impact on confidentiality, integrity, and availability. Microsoft has released an official fix for this vulnerability as documented in their security update guide.

Potential Impact

An authorized local attacker can exploit this vulnerability to elevate privileges on the affected Windows 10 Version 1607 system. This could lead to full system compromise, including unauthorized access to sensitive data, modification of system settings, and disruption of system availability.

Mitigation Recommendations

Microsoft has released an official fix for this vulnerability. It is recommended to apply the security update provided by Microsoft as soon as possible to remediate the issue. No additional mitigation steps are specified beyond applying the official patch.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
microsoft
Date Reserved
2026-02-24T21:35:49.686Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
official-fix
Vendor Advisory Urls
[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-27910","vendor":"Microsoft"}]

Threat ID: 69de7a1d82d89c981fd6a737

Added to database: 04/14/2026, 17:32:13 UTC

Last enriched: 08/15/2026, 13:57:26 UTC

Last updated: 09/14/2026, 22:01:33 UTC

Views: 137

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses