CVE-2026-70300
CriticalCVSS 9.8Exploitation Probability (EPSS)
Elevated risk61th percentile - higher than 61% of all known CVEs
Summary
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Risk Assessment
Remote code execution could allow an attacker to take control of the system or access sensitive documents.
Recommendation
Install security updates for Microsoft Office Word and be cautious when opening documents from unknown sources.
Other vulnerabilities in Microsoft Office Word
See all- CVE-2026-20948High
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-20944High
An out-of-bounds read vulnerability in Microsoft Office Word allows an unauthorized attacker to execute code locally.
- CVE-2026-40364High
In Microsoft Office Word, a vulnerability related to access of resource using incompatible type ('type confusion') allows an unauthorized attacker to execute code locally.
- CVE-2026-108451High
A numeric truncation error in Microsoft Office Word allows an unauthenticated attacker to execute code over a network. The flaw stems from improper handling of numeric values.
- CVE-2026-108450High
A heap-based buffer overflow in Microsoft Office Word allows an unauthenticated attacker to execute code over a network. The vulnerability occurs when processing specially crafted data.
- CVE-2026-108449High
A heap-based buffer overflow in Microsoft Office Word allows an unauthenticated attacker to execute code over a network. The vulnerability occurs when processing specially crafted data.
- CVE-2026-108447High
A heap-based buffer overflow in Microsoft Office Word allows an unauthenticated attacker to execute code over a network. The vulnerability occurs when processing specially crafted data.
- CVE-2026-108445High
A stack-based buffer overflow in Microsoft Office Word allows an unauthenticated attacker to execute code over a network. The vulnerability occurs when processing specially crafted data.
- CVE-2026-108443High
An off-by-one error in Microsoft Office Word allows an unauthorized attacker to execute code over a network. The flaw stems from an incorrect buffer size calculation by one byte.
- CVE-2026-108442High
A use-after-free vulnerability in Microsoft Office Word allows an unauthorized attacker to execute code over a network. The flaw involves accessing memory after it has been freed.
Original NVD description (English source)
Untrusted pointer dereference in Microsoft Office Word allows an unauthorized attacker to execute code over a network.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

