CVE-2026-48103
A remote, anonymous attacker can exploit multiple vulnerabilities in 7-Zip to disclose memory contents, trigger a denial-of-service, or execute arbitrary code.
CSIRTS triage
- What
- Multiple vulnerabilities allow a remote, anonymous attacker to disclose memory contents, trigger a denial-of-service, or execute arbitrary code.
- Who is affected
- Deployments of 7-Zip.
- Urgency
- Remediation is high urgency due to the severity and potential for exploitation.
- Action
- Update to the latest version of 7-Zip.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.22% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 13% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] 7-Zip: Multiple vulnerabilitiescert-bund · 2026-07-02
External references
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[](https://www.csirts.com/cve/CVE-2026-48103)