CVE-2026-70310
An attacker can exploit multiple vulnerabilities in Microsoft Office Products to manipulate files, elevate privileges, disclose information, conduct a cross-site scripting attack, and execute arbitrary code.
CSIRTS triage
- What
- Multiple vulnerabilities enable file manipulation, privilege escalation, information disclosure, cross-site scripting, and arbitrary code execution.
- Who is affected
- All users and deployments of Microsoft Office Products.
- Urgency
- High severity with multiple exploitation paths including code execution; apply patches without delay.
- Action
- Apply security updates addressing all eight CVEs (CVE-2026-68802, CVE-2026-68804, CVE-2026-68805, CVE-2026-68812, CVE-2026-68814, CVE-2026-68815, CVE-2026-68816, CVE-2026-68817).
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.28% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.
Advisory coverage (5)
- high[NEW] [high] Microsoft Office Products: Multiple Vulnerabilitiescert-bund · 2026-08-13
- unknownMultiple vulnerabilities in Microsoft Office (August 12, 2026)cert-fr-avis · 2026-08-12
- unknownNCSC-2026-0286 [1.00] [M/H] Vulnerabilities patched in Microsoft Officencsc-nl · 2026-08-11
- mediumCVE-2026-70310: Out-of-bounds read in Microsoft Office Word allows an unauthorized attacker to disclose inform…nvd · 2026-08-11
- mediumCVE-2026-70310: Microsoft Word Information Disclosure Vulnerabilitymsrc · 2026-08-11
External references
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