OMENWAVE modelled vulnerability-chaining pathways

CVE-2021-27085

Internet Explorer Remote Code Execution Vulnerability

8.8
CVSS High
5.4%
EPSS p93
YES
In CISA KEV

Data as of 2 Nov 2026 · NVD, CISA KEV, EPSS

Why chaining, at machine speed

Defenders still triage vulnerabilities one CVE at a time, while increasingly automated attackers combine them at machine speed. Omenwave models the plausible pathways by which this CVE could be chained with others — surfacing them for research and awareness, with evidence for each step.

Modelled capability profile
Kill-chain stage
RECON
Requires
NONE access, NETWORK vector, user interaction
Grants
PRIV access
Capabilities
information disclosureprivilege gaindata tampering
Model confidence
medium · CVSS 3.1
Top plausible next hops
CVE-2020-1472RECON → RECONhigh plausibility · KEV

The source lands the attacker on the host (code execution or an established foothold), which satisfies the destination's requirement for local access.

An elevation of privilege vulnerability exists when an attacker establishes a vulnerable Netlogon secure channel connection to a domain controller, u…

CVE-2021-31955RECON → RECONhigh plausibility · KEV

The source lands the attacker on the host (code execution or an established foothold), which satisfies the destination's requirement for local access.

Windows Kernel Information Disclosure Vulnerability

CVE-2021-34527RECON → EXECUTIONmedium plausibility · KEV

The access level the source grants already meets or exceeds the access level the destination requires — the position carries over.

A remote code execution vulnerability exists when the Windows Print Spooler service improperly performs privileged file operations. An attacker who s…

CVE-2022-30190RECON → EXECUTIONmedium plausibility · KEV

The source lands the attacker on the host (code execution or an established foothold), which satisfies the destination's requirement for local access.

A remote code execution vulnerability exists when MSDT is called using the URL protocol from a calling application such as Word. An attacker who succ…

CVE-2020-1147RECON → EXECUTIONmedium plausibility · KEV

The source lands the attacker on the host (code execution or an established foothold), which satisfies the destination's requirement for local access.

A remote code execution vulnerability exists in .NET Framework, Microsoft SharePoint, and Visual Studio when the software fails to check the source m…

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Modelled plausible chaining potential derived from public CVE metadata (CVSS, CWE, CPE). Not a confirmed real-world exploit chain and contains no exploitation detail. For research and awareness only.

Methodology · Interactive explorer · JSON: /cve/CVE-2021-27085