Critical Vulnerabilities CVE-2026-48866 and CVE-2026-7313 Disclosed
Severity: High (Score: 72.6)
Sources: www.incibe.es
Published: · Updated:
Keywords: gravedad, cvss, base, score, acceso, vector, incibe-cert
Severity indicators: vulnerabilities, CVE:CVE-2026-7313, CVE:CVE-2026-7313
Summary
Two critical vulnerabilities, CVE-2026-48866 and CVE-2026-7313, were disclosed recently. CVE-2026-48866, published on June 1, 2026, has a CVSS score of 9.60, indicating a critical threat with high impacts on confidentiality, integrity, and availability. It requires user interaction and has a low access complexity, making it easier to exploit. CVE-2026-7313, published on June 2, 2026, also has a CVSS score of 3.1 but requires elevated privileges for exploitation. This vulnerability affects systems accessed over the network, with a high impact on confidentiality and integrity but no impact on availability. Both vulnerabilities pose significant risks to organizations and require immediate attention. Key Points: • CVE-2026-48866 has a critical CVSS score of 9.60, indicating severe risks. • CVE-2026-7313 requires elevated privileges but still poses a significant threat. • Both vulnerabilities affect systems accessed over the network, necessitating urgent remediation.
Detailed Analysis
**Impact** Both vulnerabilities affect network-exposed systems with potential for critical impact on confidentiality, integrity, and availability. CVE-2026-48866 has a CVSS score of 9.6, requiring no privileges but user interaction, and can cause full system compromise. CVE-2026-7313 requires high privileges but no user interaction, impacting confidentiality and integrity without affecting availability. Specific sectors, geographies, or numbers of affected systems are not provided. **Technical Details** CVE-2026-48866 is exploitable remotely with low complexity, no privileges, and requires user interaction, affecting confidentiality, integrity, and availability with a modified scope. CVE-2026-7313 is also remotely exploitable with low complexity but requires high privileges and no user interaction, impacting confidentiality and integrity only. No malware, tools, or infrastructure details are mentioned, nor are any IOCs provided. **Recommended Response** Apply available patches for both CVE-2026-48866 and CVE-2026-7313 immediately, prioritizing CVE-2026-48866 due to its higher severity and broader impact. Monitor for unusual network activity and privilege escalation attempts. Harden user interaction controls to mitigate CVE-2026-48866 exploitation. No specific detection signatures or IOCs are available at this time.
Source articles (2)
- CVE-2026-48866 INCIBE-CERT - Vulnerabilities RSS / 20h Gravedad 3.1 (CVSS 3.1 Base Score) Gravedad 3.1 Txt Gravedad 3.1 (CVSS 3.1 Base Score) — www.incibe.es · 2026-06-02
Puntuación base: 9.60 CRÍTICA Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H Vector de acceso (AV): A través de red Complejidad de acceso (AC): Bajo Privilegios Requeridos (PR): Ninguno Interacc… - CVE-2026-7313 INCIBE-CERT - Vulnerabilities RSS / 12h Gravedad 3.1 (CVSS 3.1 Base Score) Gravedad 3.1 Txt Gravedad 3.1 (CVSS 3.1 Base Score) — www.incibe.es · 2026-06-03
Vector de acceso (AV): A través de red Complejidad de acceso (AC): Bajo Privilegios Requeridos (PR): Alto Interacción del usuario (UI): Ninguno Alcance (S): Modificado Impacto a la confidencialidad (C…
Timeline
- 2026-06-01 — CVE-2026-48866 published: CVE-2026-48866 disclosed with a critical CVSS score of 9.60, impacting confidentiality, integrity, and availability.
- 2026-06-02 — CVE-2026-7313 published: CVE-2026-7313 disclosed with a CVSS score of 3.1, requiring elevated privileges for exploitation.