Microsoft Windows Buffer Overflow Vulnerability
Microsoft Windows contains a buffer overflow vulnerability in the Windows Server Service that allows remote attackers to execute arbitrary code via a crafted RPC request that triggers an overflow during path canonicalization.
- Vendor
- Microsoft
- Product
- Windows
- CVSS
- 9.8
- EPSS (exploit probability)
- 98.8%
- Status
- kev
- CISA patch-by (BOD 22-01)
- Published
Microsoft Windows contains a buffer overflow vulnerability in the Windows Server Service that allows remote attackers to execute arbitrary code via a crafted RPC request that triggers an overflow during path canonicalization.
Added to CISA’s Known Exploited Vulnerabilities catalog on 2026-05-20. Required action per CISA: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. Due date: 2026-06-03.
This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.