PatchTheCVECVE-2026-32157: Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
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HIGH 8.8WATCHLISTUPGRADEUPGRADEUPGRADE
CVE-2026-32157 is a high-severity flaw (CVSS 8.8) affecting remote desktop client, windows 10 1607, windows 10 1809. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
Why this priority
- High severity
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 8.8 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.8% (top 44%) |
| CISA exploited list | No |
| Weakness | CWE-416 |
| Published | 2026-04-14 |
| Last modified | 2026-10-26 |
Publisher (CNA): Microsoft Corporation · Vendor: microsoft
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
microsoft remote desktop client UPGRADE
Affected: < 2.0.1070.0
Fixed in: 2.0.1070.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy remote-desktop-client || rpm -q remote-desktop-client || remote-desktop-client --version
2. UPGRADE to 2.0.1070.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade remote-desktop-client
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade remote-desktop-client
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
microsoft windows 10 1607 UPGRADE
Affected: < 10.0.14393.9060
Fixed in: 10.0.14393.9060
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
microsoft windows 10 1809 UPGRADE
Affected: < 10.0.17763.8644
Fixed in: 10.0.17763.8644
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
microsoft windows 10 21h2 UPGRADE
Affected: < 10.0.19044.7184
Fixed in: 10.0.19044.7184
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
microsoft windows 10 22h2 UPGRADE
Affected: < 10.0.19045.7184
Fixed in: 10.0.19045.7184
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
microsoft windows 11 23h2 UPGRADE
Affected: < 10.0.22631.6936
Fixed in: 10.0.22631.6936
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-32157?
remote desktop client: upgrade to 2.0.1070.0; windows 10 1607: upgrade to 10.0.14393.9060; windows 10 1809: upgrade to 10.0.17763.8644. Exact commands for each OS are on this page.
Is CVE-2026-32157 being exploited?
CVE-2026-32157 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-32157 affect?
CVE-2026-32157 affects remote desktop client, windows 10 1607, windows 10 1809. Severity is high (CVSS 8.8). Use after free in Remote Desktop Client allows an unauthorized attacker to execute code over a network.
How urgent is CVE-2026-32157?
Priority 50/100. High severity; On your watchlist
Software pages
Windows vulnerabilities · WinRM and RDP vulnerabilities
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