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CVE-2026-20824

MEDIUMCVSS 5.5/10EPSS 0.88%

Last modified

CVE-2026-20824 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally.. EPSS estimates a 0.88% chance of exploitation in the next 30 days.

Description

Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally.

Metrics

CVSS 3.1
5.5/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability
0.88%

54.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.8783
MicrosoftWindows 10 1809< 10.0.17763.8276
MicrosoftWindows 10 21h2< 10.0.19044.6809
MicrosoftWindows 10 22h2< 10.0.19045.6809
MicrosoftWindows 11 23h2< 10.0.22631.6491
MicrosoftWindows 11 24h2< 10.0.26100.7623
MicrosoftWindows 11 25h2< 10.0.26200.7623
MicrosoftWindows Server 2012All versions
MicrosoftWindows Server 2012r2
MicrosoftWindows Server 2016< 10.0.14393.8783
MicrosoftWindows Server 2019< 10.0.17763.8276
MicrosoftWindows Server 2022< 10.0.20348.4648
MicrosoftWindows Server 2022 23h2< 10.0.25398.2092
MicrosoftWindows Server 2025< 10.0.26100.32230

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-20824?
Protection mechanism failure in Windows Remote Assistance allows an unauthorized attacker to bypass a security feature locally.
How severe is CVE-2026-20824?
CVE-2026-20824 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.88% probability of exploitation in the next 30 days.
How do I fix CVE-2026-20824?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-20824?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST