Office vulnerabilities
8 published alerts for Microsoft Office.
Microsoft Office Remote Code Execution vulnerability
Microsoft Office is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2009-0238). Microsoft Office Excel contains a remote code execution vulnerability that could allow an attacker to take complete control of an affected system if a user opens a specially crafted Excel file that includes a malformed object. CISA remediation due date: 2026-04-28. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Word Reliance on Untrusted Inputs in a Security Decision Vulnerability
Microsoft Office is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-21514). Microsoft Office Word contains a reliance on untrusted inputs in a security decision vulnerability that could allow an authorized attacker to elevate privileges locally. CISA remediation due date: 2026-03-03. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Security Feature Bypass Vulnerability
Microsoft Office is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2026-21509). Microsoft Office contains a security feature bypass vulnerability in which reliance on untrusted inputs in a security decision in Microsoft Office could allow an unauthorized attacker to bypass a security feature locally. Some of the impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version. CISA remediation due date: 2026-02-16. If you need help checking exposure, call (864) 335-9223.
Microsoft Office PowerPoint Code Injection Vulnerability
Microsoft Office is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2009-0556). Microsoft Office PowerPoint contains a code injection vulnerability that allows remote attackers to execute arbitrary code via a PowerPoint file with an OutlineTextRefAtom containing an invalid index value that triggers memory corruption. CISA remediation due date: 2026-01-28. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Excel Remote Code Execution Vulnerability
Microsoft Office is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2007-0671). Microsoft Office Excel contains a remote code execution vulnerability that can be exploited when a specially crafted Excel file is opened. This malicious file could be delivered as an email attachment or hosted on a malicious website. An attacker could leverage this vulnerability by creating a specially crafted Excel file, which, when opened, allowing an attacker to execute remote code on the affected system. CISA remediation due date: 2025-09-02. PremierePC tracks KEV alerts for Upstate SC businesses — patch or open a ticket if you need help verifying exposure.
Microsoft Office Access Connectivity Engine Remote Code Execution Vulnerability
Microsoft Office is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2021-38646). Microsoft Office Access Connectivity Engine contains an unspecified vulnerability which can allow for remote code execution. CISA remediation due date: 2022-04-18. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Memory Corruption Vulnerability
Microsoft Office is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2018-0802). Microsoft Office contains a memory corruption vulnerability due to the way objects are handled in memory. Successful exploitation allows for remote code execution in the context of the current user. This vulnerability is known to be chained with CVE-2018-0798. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.
Microsoft Office Memory Corruption Vulnerability
Microsoft Office is listed in CISA's Known Exploited Vulnerabilities catalog (CVE-2017-11882). Microsoft Office contains a memory corruption vulnerability that allows remote code execution in the context of the current user. CISA remediation due date: 2022-05-03. If you need help checking exposure, call (864) 335-9223.