CVE-2026-58611

VendormicrosoftProductxbox gaming servicesDiscoveredSep 8, 2026UpdatedSep 14, 2026

Improper authorization in XBox Gaming Services allows an authorized attacker to elevate privileges locally.

CVSS v3.1

7.8 HIGH

EPSS

0.31%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

Intelligence Reports1

1 intelligence report available

Curated threat research and citations from CrowdStrike, Mandiant, Microsoft, and other sources — unlock with Premium.

EPSS Trend

Sep 10, 2026 → Oct 24, 2026

▲ 0.09pp

0.22% → 0.31% over 4 tracked changes

CVSS v3.1 Detail

Attack VectorLOCAL

Attack ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

ScopeUNCHANGED

ConfidentialityHIGH

IntegrityHIGH

AvailabilityHIGH

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

Connections

3 relationships

Timeline

disclosure → media coverage

Sep 8, 2026

Disclosure — published as a CVE record. · last revised by NVD Sep 14, 2026

Sep 8, 2026

advisories.ncsc.nl reports: NCSC-2026-0351 [1.00] [M/H] Kwetsbaarheden verholpen in Microsoft Developer Tools