CVE-2026-55138

MediumCVSS 5.5/10Last modified Jul 15, 2026

Description

Untrusted pointer dereference in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jul 14, 2026
Last modified
Jul 15, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-551393.3Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.CVE-2026-551407.8Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally.CVE-2026-551417.8Stack-based buffer overflow in Microsoft Office Excel allows an unauthorized attacker to execute code locally.CVE-2026-551425.5Numeric truncation error in Microsoft Office Word allows an unauthorized attacker to disclose information locally.CVE-2026-551447.1Missing cryptographic step in Windows CryptoAPI allows an authorized attacker to perform tampering locally.CVE-2026-551457.1Improper neutralization of special elements used in a command ('command injection') in Outlook Copilot allows an authorized attacker to perfCVE-2026-551497.5Vouch Proxy is an SSO and OAuth/OIDC login solution for Nginx using the auth_request module. Prior to 0.48.0, Cookie in pkg/cookie/cookie.goCVE-2026-55155.5IBM App Connect Enterprise 13.0.1.0 through 13.0.7.0 stores potentially sensitive information in log files that could be read by a local useCVE-2026-551537.1mchange-commons-java is a Java library of shared utility classes used by mchange projects like the c3p0 connection pool. Prior to version 0.CVE-2026-551545.4EspoCRM is an open source customer relationship management application. Prior to 9.3.9, application/Espo/Tools/Export/Format/Csv/Processor.pCVE-2026-551565.3Token Optimizer MCP measures token savings per AI coding agent, optimizes context, and shares a live local knowledge graph across 16 CLI cliCVE-2026-551578.4Token Optimizer MCP measures token savings per AI coding agent, optimizes context, and shares a live local knowledge graph across 16 CLI cli