Threat Intelligence / CVE / CVE-2026-32191

CVE-2026-32191 — Microsoft Bing Images

CVSS v3.1 9.8 (CRITICAL) · EPSS 0.5% (higher than 43.7% of all scored CVEs) · Priority 6.6/10 · Published 2026-03-19

As of 2026-06-19, CVE-2026-32191 is a CRITICAL-severity vulnerability in Microsoft Bing Images, CVSS v3.1 9.8, EPSS 0.5% (43.7th percentile). Threadlinqs Intelligence links 1 tracked threat campaign to CVE-2026-32191, most recently “Command Injection Vulnerabilities in Bing Images Processing Pipeline (CVE-2026-32194, CVE-2026-32191, CVE-2026-21536) — RCE as NT AUTHORITY\SYSTEM”.

Last updated: 2026-06-19

What is CVE-2026-32191?

Improper neutralization of special elements used in an os command ('os command injection') in Microsoft Bing Images allows an unauthorized attacker to execute code over a network.

The record classifies CVE-2026-32191 under weakness class CWE-78. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 177 days ago.

Severity and exploitation probability

CVSS v3.1 base score
9.8 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS (FIRST)
0.5% probability of exploitation in the next 30 days, higher than 43.7% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
6.6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-03-19, last modified 2026-06-19

Is CVE-2026-32191 being exploited?

No public exploitation evidence for CVE-2026-32191 is recorded in the sources Threadlinqs tracks — CISA KEV, Exploit-DB, public proof-of-concept repositories and ProjectDiscovery Nuclei — as of 2026-06-19. That is an absence of evidence in those feeds, not a guarantee that the vulnerability is unexploited.

Affected products and versions

How to fix CVE-2026-32191

Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32191. Apply the vendor fix referenced above to every affected product listed in this record, then confirm the running version against the vendor advisory.

Threat activity tracking CVE-2026-32191

1 tracked threat in the Threadlinqs corpus references CVE-2026-32191, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Enriched from CVE.org, NVD, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on . This product uses the NVD API but is not endorsed or certified by the NVD.

Vendor advisory and patch

Full detection coverage & IOCs for threats exploiting CVE-2026-32191 are available via the Threadlinqs MCP server (Purple tier). View plans →

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