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CVE-2026-78455

nvd nist
Published: Sep 8, 2026Modified: Sep 11, 2026

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4.3
Vector
CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Exploitability: 0.7 / Impact: 3.6
Source: secure@microsoft.com (Secondary)

Description

Out-of-bounds read in Xbox allows an unauthorized attacker to disclose information with a physical attack.

Affected (20)

Microsoft
10 products
Windows 10 1607
Windows 10 1809
Windows 10 21h2
Windows 10 22h2
Windows 11 23h2
Windows 11 24h2
Windows 11 25h2
Windows 11 26h1
Windows Server 2016
Windows Server 2019
Configuration A
20 vulnerable
Vulnerable SoftwareAffected Versions
Microsoft
Windows 10 1607
Before 10.0.14393.9512
Windows 10 1607
Before 10.0.14393.9512
Microsoft
Windows 10 1809
Before 10.0.17763.9245
Windows 10 1809
Before 10.0.17763.9245
Microsoft
Windows 10 21h2
Before 10.0.19044.7725
Windows 10 21h2
Before 10.0.19044.7725
Windows 10 21h2
Before 10.0.19044.7725
Microsoft
Windows 10 22h2
Before 10.0.19045.7725
Windows 10 22h2
Before 10.0.19045.7725
Windows 10 22h2
Before 10.0.19045.7725
Microsoft
Windows 11 23h2
Before 10.0.22631.7582
Windows 11 23h2
Before 10.0.22631.7582
Microsoft
Windows 11 24h2
Before 10.0.26100.9445
Windows 11 24h2
Before 10.0.26100.9445
Microsoft
Windows 11 25h2
Before 10.0.26200.9445
Windows 11 25h2
Before 10.0.26200.9445
Microsoft
Windows 11 26h1
Before 10.0.28000.2954
Windows 11 26h1
Before 10.0.28000.2954
Windows Server 2016
Before 10.0.14393.9512
Windows Server 2019
Before 10.0.17763.9245

Related CWEs

CWE-125
Out-of-bounds Read
The product reads data past the end, or before the beginning, of the intended buffer.

References (1)

Source: secure@microsoft.com
PatchVendor Advisory

Timeline

No history available yet.