CVE-2026-70348: Windows Management Services Denial of Service Vulnerability
Improper link resolution before file access ('link following') in Windows Management Services allows an authorized attacker to deny service locally.
CSIRTS triage
- What
- Improper link resolution before file access in Windows Management Services allows an authorized attacker to deny service locally.
- Who is affected
- Systems running Windows Management Services with authorized users.
- Urgency
- Medium severity (CVSS 5.5); impacts availability but not currently exploited.
- Action
- Apply Windows Update patches addressing CVE-2026-70348.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-70348
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-703480.43% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 35% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-70348 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for Windows Management Services
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- mediumCVE-2026-70348: Improper link resolution before file access ('link following') in Windows Management Services …nvd · 2026-08-11
- highCVE-2026-58544: Use after free in Windows Management Services allows an authorized attacker to elevate privile…nvd · 2026-07-14
- highCVE-2026-58544: Windows Management Services Elevation of Privilege Vulnerabilitymsrc · 2026-07-14
- highCVE-2026-51539: A Denial of Service (DoS) vulnerability exists in the receive loop of libmodbus 3.1.12 when ru…nvd · 2026-07-13
- criticalexploitedCVE-2024-26169: Microsoft Windows Error Reporting Service Improper Privilege Management Vulnerabilitycisa-kev · 2024-06-13
- criticalexploitedCVE-2020-0787: Microsoft Windows Background Intelligent Transfer Service (BITS) Improper Privilege Management …cisa-kev · 2022-01-28
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