CVE-2026-49160

HIGHCVSS 7.5/10EPSS 48.44%

Last modified

CVE-2026-49160 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.. EPSS estimates a 48.44% chance of exploitation in the next 30 days.

Description

Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
48.44%

98.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10 1607< 10.0.14393.9234
MicrosoftWindows 10 1809< 10.0.17763.8880
MicrosoftWindows 10 21h2< 10.0.19044.7417
MicrosoftWindows 10 22h2< 10.0.19045.7417
MicrosoftWindows 11 23h2< 10.0.22631.7219
MicrosoftWindows 11 24h2< 10.0.26100.8655
MicrosoftWindows 11 25h2< 10.0.26200.8655
MicrosoftWindows 11 26h1< 10.0.28000.2269
MicrosoftWindows Server 2016< 10.0.14393.9234
MicrosoftWindows Server 2019< 10.0.17763.8880
MicrosoftWindows Server 2022< 10.0.20348.5256
MicrosoftWindows Server 2025< 10.0.26100.32995

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-49160?
Uncontrolled resource consumption in HTTP/2 allows an unauthorized attacker to deny service over a network.
How severe is CVE-2026-49160?
CVE-2026-49160 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 48.44% probability of exploitation in the next 30 days.
How do I fix CVE-2026-49160?
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-2026-49160?

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

Scan your code now

Source: NVD / NIST