Microsoft: >> Office Online Server >> 1.0 Security Vulnerabilities
Buffer underwrite ('buffer underflow') in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVSS Score
8.8
EPSS Score
0.009
Published
2026-10-13
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVSS Score
8.8
EPSS Score
0.01
Published
2026-10-13
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVSS Score
8.8
EPSS Score
0.009
Published
2026-10-13
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code over a network.
CVSS Score
8.8
EPSS Score
0.009
Published
2026-10-13
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.005
Published
2026-09-08
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.005
Published
2026-09-08
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.005
Published
2026-09-08
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
CVSS Score
5.5
EPSS Score
0.005
Published
2026-09-08
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.005
Published
2026-07-14
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
CVSS Score
7.8
EPSS Score
0.005
Published
2026-07-14