CVE-2026-55014: Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate privileges loc

Q: How do I fix CVE-2026-55014?

remote help: upgrade to 5.2.1037.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-55014 being exploited?

CVE-2026-55014 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-55014 affect?

CVE-2026-55014 affects remote help. Severity is high (CVSS 7.8). Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate privileges locally.

Q: How urgent is CVE-2026-55014?

Priority 38/100. High severity; On your watchlist

Routine

HIGH 7.8WATCHLISTUPGRADE

CVE-2026-55014 is a high-severity flaw (CVSS 7.8) affecting remote help. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate privileges locally.

Why this priority

High severity
On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 79%)
CISA exploited list	No
Weakness	CWE-284
Published	2026-07-14
Last modified	2026-10-24

Publisher (CNA): Microsoft Corporation · Vendor: microsoft

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-14 17:17 UTCPublished CVE record published
2026-10-24 21:10 UTCUpdated Record last modified

microsoft remote help UPGRADE

Affected: < 5.2.1037.0

Fixed in: 5.2.1037.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy remote-help || rpm -q remote-help || remote-help --version

2. UPGRADE to 5.2.1037.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade remote-help

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade remote-help

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

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.

Quick answers

How do I fix CVE-2026-55014?

remote help: upgrade to 5.2.1037.0. Exact commands for each OS are on this page.

Is CVE-2026-55014 being exploited?

CVE-2026-55014 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-2026-55014 affect?

CVE-2026-55014 affects remote help. Severity is high (CVSS 7.8). Improper access control in Windows Remote Help Defense allows an authorized attacker to elevate privileges locally.

How urgent is CVE-2026-55014?

Priority 38/100. High severity; On your watchlist

Software pages

Windows vulnerabilities

References

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