VulnerabilityAnalyzed
CVE-2026-62898
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
HIGH 7.5EPSS 1.11%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.11%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.11% probability · 64th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-416
- Affected
- microsoft/visual studio 2022 · microsoft/visual studio 2026 · microsoft/.net
- Source
- secure@microsoft.com
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62898Patch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.