CVE-2026-62898
CVE-2026-62898 is a high-severity vulnerability in Microsoft Visual Studio 2022 with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-416.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- EPSS exploit prediction: 1% (63rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-416
- Affected product: Microsoft Visual Studio 2022
- Published:
- Last modified:
Description
Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
Frequently asked questions
- What is CVE-2026-62898?
- Use after free in Microsoft QUIC allows an unauthorized attacker to disclose information over a network.
- How severe is CVE-2026-62898?
- CVE-2026-62898 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2026-62898 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-62898?
- CVE-2026-62898 primarily affects Microsoft Visual Studio 2022. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-62898?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2026-62898 published?
- CVE-2026-62898 was published on 2026-08-11 and last updated on 2026-08-14.
References
Affected products (3)
- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*
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