8477 matches found
NULL Pointer Dereference
Overview Affected versions of this package are vulnerable to NULL Pointer Dereference in the readofficedocument function. An attacker can cause a denial of service by providing crafted XLSX files that trigger a null pointer dereference during parsing. Remediation There is no fixed version for xln...
CVE-2026-3664 xlnt-community xlnt Encrypted XLSX File compound_document.cpp read_directory out-of-bounds
A vulnerability was determined in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::compounddocument::readdirectory of the file source/detail/cryptography/compounddocument.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to out-of-bounds rea...
Microsoft Excel Elevation of Privilege Vulnerability (CNVD-2026-16158)
Microsoft Excel is a spreadsheet processing software in the Office suite from Microsoft USA. An elevation of privilege vulnerability exists in Microsoft Excel, which can be exploited by an attacker to elevate privileges...
Microsoft Excel Buffer Overflow Vulnerability (CNVD-2026-12553)
Microsoft Excel is a spreadsheet processing software in the Office suite from Microsoft USA. A buffer overflow vulnerability exists in Microsoft Excel. The vulnerability stems from the program's failure to properly validate the length and size of input data, which can be exploited by an attacker ...
Microsoft Excel Buffer Overflow Vulnerability (CNVD-2026-12552)
Microsoft Excel is a spreadsheet processing software in the Office suite from Microsoft USA. A buffer overflow vulnerability exists in Microsoft Excel. The vulnerability stems from the program's failure to properly validate the length and size of input data, which can be exploited by an attacker ...
Hackers Use Excel Exploit to Hide XWorm 7.2 in JPEG Files, Hijack PCs
A new phishing campaign is spreading XWorm 7.2 via malicious Excel files, hiding the malware in Windows processes, and using AES encryption to steal passwords and Wi-Fi keys...
Off-by-one Error
Overview Affected versions of this package are vulnerable to Off-by-one Error via the decodebase64 function in the Encrypted XLSX File Parser component. An attacker can cause a denial of service by executing a manipulation that triggers an off-by-one error. Remediation A fix was pushed into the...
CVE-2026-2703 xlnt-community xlnt Encrypted XLSX File base64.cpp decode_base64 off-by-one
A weakness has been identified in xlnt-community xlnt up to 1.6.1. Impacted is the function xlnt::detail::decodebase64 of the file source/detail/cryptography/base64.cpp of the component Encrypted XLSX File Parser. Executing a manipulation can lead to off-by-one. The attack requires local access...
Security Updates for Microsoft Excel Products C2R (February 2026)
The Microsoft Excel Products are missing a security update. It is, therefore, affected by the following vulnerabilities: - A remote code execution vulnerability that an attacker can exploit to bypass authentication and execute unauthorized arbitrary commands. CVE-2026-21259 - Information disclosu...
CVE-2026-21258
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...
CVE-2026-21261
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...
CVE-2026-21259
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally...
CVE-2026-21261
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...
CVE-2026-21261
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...
CVE-2026-21259
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally...
CVE-2026-21259
Heap-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to elevate privileges locally...
CVE-2026-21258
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...
CVE-2026-21258
Improper input validation in Microsoft Office Excel allows an unauthorized attacker to disclose information locally...
