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CVE-2026-119382

Heap buffer overflow in Windows TPM enables local privilege elevation

CVSS 3.1
7.8 high
EPSS
—
Published
·
Modified
Analyze CVE-2026-119382 with Vani AIImpact, affected versions, exploitation status, mitigations and detection

A heap-based buffer overflow in Windows TPM lets an already authorized local user elevate privileges. No user interaction is required. Successful exploitation gives high impact to confidentiality, integrity, and availability on the local system. Microsoft has not listed affected builds or fixed versions.

What to do: Apply Microsoft's update for CVE-2026-119382. No workaround is stated.

ProductAffected
Microsoft Windows TPM—
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

Heap-based buffer overflow in Windows TPM allows an authorized attacker to elevate privileges locally.

Weakness
CWE-122
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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