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Vulnerabilities

Vulnerability · CVE-2026-62886

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

Published Aug 11, 2026 · catalog updated Oct 21, 2026 · visual studio 2022

Last checked Oct 26, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-62886. EPSS is 0.47%. Act only if a listed version of visual studio 2022 is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.47%
Remediation
Version ranges on file
Affected products
cpe microsoft/.net · cpe microsoft/visual studio 2022 · cpe microsoft/visual studio 2026

Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe microsoft/.net< 10.0.11
  • cpe microsoft/.net< 8.0.30
  • cpe microsoft/.net< 9.0.19
  • cpe microsoft/visual studio 2022< 17.14.38
  • cpe microsoft/visual studio 2026< 18.8.3

How to fix CVE-2026-62886

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-62886. EPSS is 0.47%. Act only if a listed version of visual studio 2022 is installed.

Which versions are affected?

Compare what you have installed with microsoft/visual studio 2022 < 17.14.38; microsoft/visual studio 2026 < 18.8.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-122: Heap-based Buffer Overflow; CWE-190: Integer Overflow. EPSS 0.47%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 11, 2026 · NIST NVD

    Detected

    Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

  2. Oct 21, 2026 · NIST NVD

    Updated

    Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

Sources

  • CVE.orgVulnerability recordCVE-2026-62886

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-62886

    30-day exploitation probability 0.47%

    first.org
  • NIST NVDVulnerability recordCVE-2026-62886

    Integer overflow or wraparound in .NET allows an unauthorized attacker to elevate privileges locally.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 22, 2026
  • NIST NVDOct 22, 2026