Microsoft: >> 365 Apps Security Vulnerabilities
Deserialization of untrusted data in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
CVSS Score
7.5
EPSS Score
0.001
Published
2026-02-10
CVE-2026-21514
Reliance on untrusted inputs in a security decision in Microsoft Office Word allows an unauthorized attacker to bypass a security feature locally.
Known exploited
CVSS Score
7.8
EPSS Score
0.022
Published
2026-02-10
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.0
Published
2026-02-10
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.0
Published
2026-02-10
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally.
CVSS Score
7.8
EPSS Score
0.0
Published
2026-02-10
Exposure of sensitive information to an unauthorized actor in Microsoft Office Outlook allows an unauthorized attacker to perform spoofing over a network.
CVSS Score
7.5
EPSS Score
0.0
Published
2026-02-10
CVE-2026-21509
Reliance on untrusted inputs in a security decision in Microsoft Office allows an unauthorized attacker to bypass a security feature locally.
Known exploited
CVSS Score
7.8
EPSS Score
0.092
Published
2026-01-26
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
CVSS Score
8.4
EPSS Score
0.0
Published
2026-01-13
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-01-13
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.001
Published
2026-01-13
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