Microsoft Office Online Server vulnerabilities
108 known vulnerabilities affecting microsoft/office_online_server.
Total CVEs
108
CISA KEV
1
actively exploited
Public exploits
2
Exploited in wild
2
Severity breakdown
CRITICAL1HIGH99MEDIUM7LOW1
Vulnerabilities
Page 2 of 6
CVE-2025-62563HIGHCVSS 7.8fixed in 16.0.10417.20075≥ 16.0.0.0, < 16.0.10417.200752025-12-09
CVE-2025-62563 [HIGH] CWE-416 CVE-2025-62563: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62561HIGHCVSS 7.8fixed in 16.0.10417.20075≥ 16.0.0.0, < 16.0.10417.200752025-12-09
CVE-2025-62561 [HIGH] CWE-822 CVE-2025-62561: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62556HIGHCVSS 7.8fixed in 16.0.10417.20075≥ 16.0.0.0, < 16.0.10417.200752025-12-09
CVE-2025-62556 [HIGH] CWE-822 CVE-2025-62556: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62202HIGHCVSS 7.1fixed in 16.0.10417.20068≥ 16.0.0.0, < 16.0.10417.200682025-11-11
CVE-2025-62202 [HIGH] CWE-125 CVE-2025-62202: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd
CVE-2025-62200HIGHCVSS 7.8fixed in 16.0.10417.20068≥ 16.0.0.0, < 16.0.10417.200682025-11-11
CVE-2025-62200 [HIGH] CWE-822 CVE-2025-62200: Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute c
Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-60727HIGHCVSS 7.8fixed in 16.0.10417.20068≥ 16.0.0.0, < 16.0.10417.200682025-11-11
CVE-2025-60727 [HIGH] CWE-125 CVE-2025-60727: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-60726HIGHCVSS 7.1fixed in 16.0.10417.20068≥ 16.0.0.0, < 16.0.10417.200682025-11-11
CVE-2025-60726 [HIGH] CWE-125 CVE-2025-60726: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd
CVE-2025-62203HIGHCVSS 7.8fixed in 16.0.10417.20068≥ 16.0.0.0, < 16.0.10417.200682025-11-11
CVE-2025-62203 [HIGH] CWE-416 CVE-2025-62203: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-62201HIGHCVSS 7.8fixed in 16.0.10417.20068≥ 16.0.0.0, < 16.0.10417.200682025-11-11
CVE-2025-62201 [HIGH] CWE-122 CVE-2025-62201: Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-59231HIGHCVSS 7.8fixed in 16.0.10417.20059≥ 16.0.0.0, < 16.0.10417.200592025-10-14
CVE-2025-59231 [HIGH] CWE-843 CVE-2025-59231: Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an un
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-59235HIGHCVSS 7.1fixed in 16.0.10417.20059≥ 16.0.0.0, < 16.0.10417.200592025-10-14
CVE-2025-59235 [HIGH] CWE-125 CVE-2025-59235: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd
CVE-2025-59236HIGHCVSS 7.8fixed in 16.0.10417.20059≥ 16.0.0.0, < 16.0.10417.200592025-10-14
CVE-2025-59236 [HIGH] CWE-416 CVE-2025-59236: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-59232HIGHCVSS 7.1fixed in 16.0.10417.20059≥ 16.0.0.0, < 16.0.10417.200592025-10-14
CVE-2025-59232 [HIGH] CWE-125 CVE-2025-59232: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.
nvd
CVE-2025-59225HIGHCVSS 7.8fixed in 16.0.10417.20059≥ 16.0.0.0, < 16.0.10417.200592025-10-14
CVE-2025-59225 [HIGH] CWE-416 CVE-2025-59225: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-59224HIGHCVSS 7.8fixed in 16.0.10417.20059≥ 16.0.0.0, < 16.0.10417.200592025-10-14
CVE-2025-59224 [HIGH] CWE-416 CVE-2025-59224: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-59223HIGHCVSS 7.8fixed in 16.0.10417.20059≥ 16.0.0.0, < 16.0.10417.200592025-10-14
CVE-2025-59223 [HIGH] CWE-416 CVE-2025-59223: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-59233HIGHCVSS 7.8fixed in 16.0.10417.20059≥ 16.0.0.0, < 16.0.10417.200592025-10-14
CVE-2025-59233 [HIGH] CWE-843 CVE-2025-59233: Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an un
Access of resource using incompatible type ('type confusion') in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-54904HIGHCVSS 7.8fixed in 16.0.10417.20047≥ 16.0.0.0, < 16.0.10417.200472025-09-09
CVE-2025-54904 [HIGH] CWE-416 CVE-2025-54904: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-54896HIGHCVSS 7.8fixed in 16.0.10417.20047≥ 16.0.0.0, < 16.0.10417.200472025-09-09
CVE-2025-54896 [HIGH] CWE-416 CVE-2025-54896: Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Use after free in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd
CVE-2025-54902HIGHCVSS 7.8fixed in 16.0.10417.20047≥ 16.0.0.0, < 16.0.10417.200472025-09-09
CVE-2025-54902 [HIGH] CWE-125 CVE-2025-54902: Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
nvd