Threat Intelligence / CVE / CVE-2026-32157

CVE-2026-32157 — Microsoft Remote Desktop Client

CVSS v3.1 9 (CRITICAL) · EPSS 0.1% (higher than 32.2% of all scored CVEs) · Priority 5.8/10 · Published 2026-04-14

As of 2026-05-07, CVE-2026-32157 is a CRITICAL-severity vulnerability in Microsoft Remote Desktop Client, CVSS v3.1 9, EPSS 0.1% (32.2th percentile). Threadlinqs Intelligence links 2 tracked threat campaigns to CVE-2026-32157, most recently “Microsoft April 2026 Patch Tuesday — 163 CVEs / 88 Advisories (CVE-2026-32201 SharePoint Zero-Day Exploited In-The-Wild, CVE-2026-33825 Defender EoP Public PoC, CVE-2026-33824 IKE RCE CVSS 9.8, CVE-2026-33827 TCP/IP Wormable RCE)”.

Last updated: 2026-05-07

What is CVE-2026-32157?

CVE-2026-32157 is a critical remote code execution vulnerability in Microsoft Active Directory Domain Services, disclosed as part of the April 2026 Patch Tuesday addressing 167 vulnerabilities. An authenticated attacker with low privileges can write arbitrary LDAP attributes leading to domain controller code execution (CVSS 9.0). This vulnerability is part of a massive patch release that includes two zero-days (CVE-2026-32201 SharePoint spoofing actively exploited, CVE-2026-33825 Defender EoP publicly disclosed), a wormable Windows TCP/IP IPv6 RCE (CVE-2026-23666, CVSS 9.8), and six additional Critical RCE flaws across Word, .NET, Remote Desktop, IKE Extensions, Office/Outlook, and SharePoint Server. The AD DS vulnerability is particularly dangerous in enterprise environments as it enables direct compromise of domain controllers from any authenticated domain user.

The record classifies CVE-2026-32157 under weakness class CWE-20. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs a user to take an action first, and has high impact on confidentiality, integrity, availability. 10 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 151 days ago.

Severity and exploitation probability

CVSS v3.1 base score
9 — CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
EPSS (FIRST)
0.1% probability of exploitation in the next 30 days, higher than 32.2% of all scored CVEs
CISA KEV
Not listed in the CISA Known Exploited Vulnerabilities catalog
Threadlinqs priority
5.8/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
Published
2026-04-14, last modified 2026-05-07

Is CVE-2026-32157 being exploited?

It currently carries a trending score of 13 in the Threadlinqs vulnerability feed.

Affected products and versions

How to fix CVE-2026-32157

Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32157. 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-2026-32157

2 tracked threats in the Threadlinqs corpus reference CVE-2026-32157, either in the campaign’s CVE list or as an indicator on the campaign record.

Sources

Seeded from threat-derived and not yet processed by the Threadlinqs enrichment pipeline, so blank CVSS, EPSS or KEV fields above mean NOT MEASURED rather than measured-absent.

Full detection coverage & IOCs for threats exploiting CVE-2026-32157 are available via the Threadlinqs MCP server (Purple tier). View plans →

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