CVE-2026-70077: Windows Kernel Information Disclosure Vulnerability
Use after free in Windows Kernel allows an authorized attacker to disclose information locally.
Other sources
Windows Kernel Information Disclosure 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 6.2.9200.26434Patch KB5126835 - Upgrade
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Fixed in 10.0.26100.33650Patch KB5126646 - Upgrade
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Fixed in 10.0.14393.9612Patch KB5126868 - Upgrade
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Fixed in 6.3.9600.23470Patch KB5126836 - Upgrade
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Fixed in 10.0.26300.9711Patch KB5127648 - Upgrade
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Fixed in 10.0.17763.9376Patch KB5126651 - Upgrade
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Fixed in 10.0.28000.3231Patch KB5127646 - Upgrade
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Fixed in 10.0.22631.7652Patch KB5126653 - Upgrade
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Fixed in 10.0.26100.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.19044.7807Patch KB5126657 - Upgrade
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Fixed in 10.0.26200.9711Patch KB5127648 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.20348.5761Patch KB5126655
Event History
Frequently Asked Questions
Who is exposed to this issue?
Systems running the listed Microsoft Windows client or server products are potentially affected. Exploitation is local, so the attacker must be able to execute code on the target machine.
What access does an attacker need?
The attacker must already be authorized on the system and have low-level privileges. The vulnerability does not indicate that remote, unauthenticated exploitation is possible.
What is the likely impact of successful exploitation?
Successful exploitation can disclose information from the affected system. The provided severity data does not indicate an integrity or availability impact.
How difficult is exploitation?
The provided vector rates attack complexity as high, indicating exploitation requires conditions beyond simply having local authorized access.