Cyber Resilience

CVE-2026-32177

High

Published: 12 May 2026

Published
12 May 2026
Modified
13 May 2026
KEV Added
Patch
CVSS Score v3.1 7.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
EPSS Score 0.0010 26.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-32177 is a high-severity Improper Input Validation (CWE-20) vulnerability. Its CVSS base score is 7.3 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploitation for Privilege Escalation (T1068); ranked at the 26.5th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Heap-based buffer overflow in .NET allows an unauthorized attacker to elevate privileges locally.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1068 Exploitation for Privilege Escalation Privilege Escalation
Adversaries may exploit software vulnerabilities in an attempt to elevate privileges.
Why these techniques?

Heap buffer overflow in .NET directly enables local privilege escalation via exploitation of the vulnerability.

Confidence: HIGH · MITRE ATT&CK Enterprise v18.1

CVEs Like This One

CVE-2025-21375Shared CWE-122, CWE-20
CVE-2026-32149Shared CWE-122, CWE-20
CVE-2026-26156Shared CWE-122, CWE-20
CVE-2025-21234Shared CWE-20
CVE-2025-24067Shared CWE-122
CVE-2026-24283Shared CWE-122
CVE-2026-40407Shared CWE-122
CVE-2026-20840Shared CWE-122
CVE-2025-48647Shared CWE-20
CVE-2025-25210Shared CWE-20

Affected Assets

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-20

Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.

addresses: CWE-20

Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.

addresses: CWE-20

Directly implements checks on information inputs to reject invalid data before processing.

addresses: CWE-20

Spam protection mechanisms perform filtering and detection on inbound/outbound messages, directly compensating for missing or weak input validation of unsolicited content.

References