CVE-2026-45495
Published: 18 May 2026
Summary
CVE-2026-45495 is a high-severity Improper Input Validation (CWE-20) vulnerability in Microsoft Edge Chromium. Its CVSS base score is 8.8 (High).
Operationally, ranked at the 33.1th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
Threat & Defense Details
Likely Mitigating ControlsAI
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.
Security testing and evaluation at multiple SDLC stages directly detects missing or flawed input validation, with the required remediation process ensuring fixes are applied.
Directly implements checks on information inputs to reject invalid data before processing.
Directly prevents execution of attacker-supplied code written into data memory regions.
Security testing and developer training directly verify and enforce proper input validation, reducing exploitability of injection and malformed-data weaknesses.
Managed runtimes used by platform-independent applications (e.g., JVM, CLR) enforce memory safety, preventing most buffer overflows that require direct memory manipulation.
Makes persistent code injection into loaded programs impossible when the executable image itself resides on hardware-protected read-only media.
Dynamically generated code can be produced and executed inside the isolated chamber, preventing host compromise from code-injection payloads.
Detects exploitation attempts that produce memory corruption, crashes, or anomalous behavior.
NVD Description
Microsoft Edge (Chromium-based) Remote Code Execution Vulnerability
Deeper analysisAI
Automated synthesis unavailable for this CVE.
Details
- CWE(s)