Buffer overflow in Microsoft Microsoft.netcore.app.runtime.linux-arm

CVE-2025-36853

A vulnerability (CVE-2025-21172) exists in msdia140.dll due to integer overflow and heap-based overflow. Per CWE-122: Heap-based Buffer Overflow, a heap overflow condition is a buffer overflow, where the buffer that can be overwritten is…

Vulnerability class: Integer Overflow

EPSS: 0.002 (47.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-36853?
CVE-2025-36853 is a high-severity vulnerability in Microsoft Microsoft.netcore.app.runtime.linux-arm, classified under Integer Overflow or Wraparound. CVSS score: 7.5/10. Published 2025-09-08.
How severe is CVE-2025-36853?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2025-36853 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.