PatchSiren cyber security CVE debrief
CVE-2026-70011 Microsoft CVE debrief
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-10-13T19:00:24.110Z and has not been modified since then. The NVD entry is currently Medium. This vulnerability affects Windows 10, Windows 11, and Windows Server, allowing an authorized attacker to disclose information locally due to an out-of-bounds read in Windows IP Over USB Service. Defenders should assess exposure, prioritize patching, and monitor for potential information disclosure.
- Vendor
- Microsoft
- Product
- Windows 10 Version 21H2
- CVSS
- MEDIUM 5.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-10-13
- Original CVE updated
- 2026-10-13
- Advisory published
- 2026-10-13
- Advisory updated
- 2026-10-13
Who should care
Defenders responsible for Windows 10 and Windows 11 systems, especially those with IP Over USB Service enabled, should assess exposure and prioritize patching.
Why it matters
CVE-2026-70011 allows an authorized attacker to disclose information locally due to an out-of-bounds read in Windows IP Over USB Service. Defenders should verify exposure in Windows 10 and Windows 11 systems, prioritize patching, and monitor for potential information disclosure.
- Verify exposure in Windows systems with IP Over USB Service enabled
- Assess potential for local information disclosure
- Prioritize patching for affected systems
- Monitor systems for potential information disclosure
Technical summary
The Windows IP Over USB Service has a vulnerability that allows an authorized attacker to disclose information locally due to an out-of-bounds read. This affects various versions of Windows 10, Windows 11, and Windows Server. The vulnerability can be exploited by an authorized attacker, potentially leading to local information disclosure. Defenders should verify exposure in Windows 10 and Windows 11 systems, especially those with IP Over USB Service enabled, and apply patches from Microsoft as soon as possible.
Defensive priority
Defenders should prioritize verifying exposure in Windows 10 and Windows 11 systems, especially those with IP Over USB Service enabled, and apply patches from Microsoft as soon as possible.
Recommended defensive actions
- Verify exposure in Windows 10 and Windows 11 systems, especially those with IP Over USB Service enabled
- Apply patches from Microsoft as soon as possible
- Monitor systems for potential information disclosure
Evidence notes
The CVE record and NVD entry provide details on the vulnerability in Windows IP Over USB Service, allowing an authorized attacker to disclose information locally due to an out-of-bounds read.
Sources and references
Verified primary and authoritative sources
-
CVE-2026-70011 CVE Program record
Publisher, destination, and source semantics verified
URL: https://www.cve.org/CVERecord?id=CVE-2026-70011
CVE Program - Official CVE Program record with source-provided CVE metadata.
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CVE-2026-70011 NVD vulnerability detail
Publisher, destination, and source semantics verified
URL: https://nvd.nist.gov/vuln/detail/CVE-2026-70011
NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.
Supplemental references
-
Windows IP Over USB Service Information Disclosure Vulnerability
Unverified legacy reference
URL: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/70xxx/CVE-2026-70011.json
cve_program_cvelist_v5
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Source reference
Unverified legacy reference
URL: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70011
Supplemental source - vendor-advisory, patch
Methodology and review provenance
AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.