CVE-2026-23669

HIGHCVSS 8.8/10EPSS 0.91%

Last modified

CVE-2026-23669 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. Use after free in RPC Runtime allows an authorized attacker to execute code over a network.. EPSS estimates a 0.91% chance of exploitation in the next 30 days.

Description

Use after free in RPC Runtime allows an authorized attacker to execute code over a network.

Metrics

CVSS 3.1
8.8/10

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

EPSS Probability
0.91%

55.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.8957
MicrosoftWindows 10 1809< 10.0.17763.8511
MicrosoftWindows 10 21h2< 10.0.19044.7058
MicrosoftWindows 10 22h2< 10.0.19045.7058
MicrosoftWindows 11 23h2< 10.0.22631.6783
MicrosoftWindows 11 24h2< 10.0.26100.7979
MicrosoftWindows 11 25h2< 10.0.26200.7979
MicrosoftWindows 11 26h1< 10.0.28000.1719
MicrosoftWindows Server 2012All versions
MicrosoftWindows Server 2012r2
MicrosoftWindows Server 2016< 10.0.14393.8957
MicrosoftWindows Server 2019< 10.0.17763.8511
MicrosoftWindows Server 2022< 10.0.20348.4830
MicrosoftWindows Server 2022 23h2< 10.0.25398.2207
MicrosoftWindows Server 2025< 10.0.26100.32463

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2026-23669?
Use after free in RPC Runtime allows an authorized attacker to execute code over a network.
How severe is CVE-2026-23669?
CVE-2026-23669 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.91% probability of exploitation in the next 30 days.
How do I fix CVE-2026-23669?
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-2026-23669?

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

Scan your code now

Source: NVD / NIST