CVE-2026-70051: Windows SmartScreen Elevation of Privilege Vulnerability
Access of resource using incompatible type ('type confusion') in Windows SmartScreen allows an authorized attacker to elevate privileges locally.
Other sources
Windows SmartScreen Elevation of Privilege Vulnerability
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.17763.9376Patch KB5126651
Event History
Frequently Asked Questions
What level of access does an attacker need?
The attacker needs local access to the affected system and low privileges. No user interaction is required according to the supplied vector.
What could an attacker gain if exploitation succeeds?
The supplied severity vector indicates high impact to confidentiality, integrity, and availability. This means successful exploitation could expose data, alter data, and disrupt system availability.
Is there an official remediation available?
The supplied vector includes an official remediation level, indicating that an official fix is available. Consult the referenced Microsoft advisory for applicable update details.