[NEW] [medium] Microsoft GitHub Enterprise Server: Multiple vulnerabilities
A remote, authenticated attacker can exploit multiple vulnerabilities in Microsoft GitHub Enterprise Server to conduct a cross-site scripting attack, bypass security measures, and disclose confidential information.
CSIRTS triage
- What
- A remote, authenticated attacker can exploit multiple vulnerabilities in Microsoft GitHub Enterprise Server to conduct a cross-site scripting attack, bypass security measures, and disclose confidential information.
- Who is affected
- Deployments of Microsoft GitHub Enterprise Server.
- Urgency
- Remediation is medium urgency due to the potential for exploitation by authenticated users.
- Action
- Apply the latest security updates as soon as possible.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2164
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-2026-105850.32% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 24% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-91060.36% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.
- Low exploitation riskCVE-2026-91320.41% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 34% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-10585 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-9106 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-9132 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownNCSC-2026-0219 [1.00] [M/H] Vulnerabilities fixed in GitHub Enterprise Serverncsc-nl
- mediumCVE-2026-10585: A stored cross-site scripting vulnerability was identified in GitHub Enterprise Server that al…nvd
- mediumCVE-2026-9132: A missing authorization vulnerability was identified in GitHub Enterprise Server that allowed a…nvd
- mediumCVE-2026-9106: A UI misrepresentation vulnerability was identified in GitHub Enterprise Server that allowed an…nvd
Recent advisories for Microsoft GitHub Enterprise Server
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.
- high[NEW] [high] Microsoft GitHub Enterprise Server: Multiple vulnerabilitiescert-bund · 2026-07-20
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