Microsoft November 2026 patches fix 1095 flaws, one exploited
Only CVE-2026-124194, an Outlook spoofing bug scored 6.5, is exploited; 48 of 64 critical issues are remote code execution.
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Vulnerability1 · 1 read
CVE-2026-113864
Use-after-free local privilege escalation in Windows Hyper-V
- CVSS 3.1
- 6.4 medium
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
A use-after-free in Windows Hyper-V lets an already authorized attacker elevate privileges. The attacker must act locally; no user interaction is required, but the flaw is hard to exploit and needs high privileges. Successful exploitation can give high impact on confidentiality, integrity, and availability. Affected builds are not listed.
What to do: Apply Microsoft's update for CVE-2026-113864. Microsoft has not listed a fixed version or workaround.
| Product | Affected |
|---|---|
| Microsoft Windows Hyper-V | — |
Estimated exposure
No basis for an estimate.
Order-of-magnitude estimate by the model from install counts, market share and public scan data it knows; verify before quoting.
Description · NVD
Use after free in Windows Hyper-V allows an authorized attacker to elevate privileges locally.
- Weakness
- CWE-416
- Vector
- CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H