Microsoft discloses Active Directory remote code execution and denial-of-service flaws
Both Important-rated flaws need low privileges; the record does not show an active exploitation campaign.
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CVE-2026-119948
Stack buffer overflow in Windows Active Directory
- CVSS 3.1
- 7.5 high
- EPSS
- —
- Published
- ·
- Modified
AI analysisSummaries by Vani AI
A stack-based buffer overflow in Windows Active Directory lets an already authorized attacker run code over the network. No user interaction is required, but attack complexity is high. Successful exploitation can fully compromise confidentiality, integrity, and availability on the affected system. Microsoft has not listed affected builds.
What to do: Apply Microsoft's update for CVE-2026-119948. Microsoft has not listed a fixed version or workaround.
| Product | Affected |
|---|---|
| Microsoft Windows Active Directory | — |
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
Stack-based buffer overflow in Windows Active Directory allows an authorized attacker to execute code over a network.
- Weakness
- CWE-121
- Vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
In the news
2 storiesMicrosoft patches Active Directory network RCE rated Important
CVE-2026-119948 is a CVSS 7.5 stack overflow needing low privileges; Microsoft reports no known exploitation.
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