Microsoft Xbox Gaming Services vulnerabilities

5 CVEs affecting Microsoft Xbox Gaming Services, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-58611, published 2026-09-08.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2025-55242, published 2025-09-04. High severity, CVSS 7.5. EPSS: 0.8% chance of exploitation in the next 30 days. Exposure of sensitive information to an unauthorized actor in Xbox allows an unauthorized attacker to disclose information over a network.
• CVE-2024-28916, published 2024-03-21. High severity, CVSS 8.8. EPSS: 0.6% chance of exploitation in the next 30 days. Xbox Gaming Services Elevation of Privilege Vulnerability
• CVE-2025-55245, published 2025-09-09. High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days. Improper link resolution before file access ('link following') in Xbox allows an authorized attacker to elevate privileges locally.
• CVE-2025-59281, published 2025-10-14. High severity, CVSS 7.8. EPSS: 0.4% chance of exploitation in the next 30 days. Improper link resolution before file access ('link following') in XBox Gaming Services allows an authorized attacker to elevate privileges locally.
• CVE-2026-58611, published 2026-09-08. High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days. Improper authorization in XBox Gaming Services allows an authorized attacker to elevate privileges locally.