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CVE archive

June 2026

Browse CVE records published in June 2026, with severity, affected products, CWE, KEV, and source-backed vulnerability context.

Showing 50 of 6776 matching CVEs · Page 10 of 136.

Medium · CVSS 6.5

CVE-2026-42895: Microsoft Copilot Tampering Vulnerability

Improper neutralization of special elements used in a command ('command injection') in Microsoft Copilot allows an unauthorized attacker to perform tampering over a network.

Published Jun 19, 2026 · Updated Sep 24, 2026

High · CVSS 8.8

CVE-2026-32208: Microsoft Entra ID Spoofing Vulnerability

Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Entra ID allows an authorized attacker to perform spoofing over a network.

Published Jun 19, 2026 · Updated Sep 24, 2026

Medium · CVSS 5.3

CVE-2026-26825: A use-of-uninitialized memory vulnerability exists in libxls 1.6.3 when parsing malformed XLS files.

A use-of-uninitialized memory vulnerability exists in libxls 1.6.3 when parsing malformed XLS files. The issue is reachable via xls_parseWorkBook() and is triggered by uninitialized heap memory originating from the OLE layer (ole2_read). The flaw is detectable with MemorySanitizer (MSAN) and can lead to undefined behavior, incorrect parsing logic, or potential information disclosure.

Published Jun 3, 2026 · Updated Sep 23, 2026