CVE-2026-69329: BranchCache Denial of Service Vulnerability
BranchCache Denial of Service Vulnerability
Other sources
Out-of-bounds read in BranchCache allows an unauthorized attacker to deny service over a network.
— 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 10.0.28000.2954Patch KB5124012 - Upgrade
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Fixed in 10.0.14393.9512Patch KB5123099 - Upgrade
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Fixed in 10.0.26100.9445Patch KB5124008 - Upgrade
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Fixed in 6.2.9200.26349Patch KB5123065 - Upgrade
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Fixed in 6.3.9600.23397Patch KB5123066 - Upgrade
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Fixed in 10.0.19045.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.26200.9445Patch KB5124008 - Upgrade
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Fixed in 10.0.22631.7582Patch KB5122880 - Upgrade
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Fixed in 10.0.26100.33438Patch KB5122871 - Upgrade
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Fixed in 10.0.19044.7725Patch KB5122878 - Upgrade
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Fixed in 10.0.20348.5622Patch KB5122882 - Upgrade
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Fixed in 10.0.17763.9245Patch KB5122876
Event History
Frequently Asked Questions
What are the exploitation prerequisites?
The CVSS vector indicates the issue is reachable over the network, requires no privileges or user interaction, and has low attack complexity.
Does this issue affect confidentiality or integrity?
The supplied CVSS metrics rate confidentiality and integrity impact as none. The impact is limited to availability, with a high availability impact.
Is the vulnerability confirmed, and is an official fix available?
The CVSS temporal metrics mark the report as confirmed (RC:C) and indicate an official fix is available (RL:O). Exploit code maturity is listed as unproven (E:U).