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CVE-2026-58598

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Backup Engine allows an authorized attacker to elevate privileges locally.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:0ed26677f798bf59ddacbeec97e09484ad3e48efe887639ef9ddc8104d1a2b37
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
2

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 5 assertions

{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 24H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.8875","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/2

{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 25H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26200.8875","status":"affected","version":"10.0.26200.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/3

{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 22H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19045.7548","status":"affected","version":"10.0.19045.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/1

{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 version 26H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.2525","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/4

{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 21H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19044.7548","status":"affected","version":"10.0.19044.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/0
cwe · 2 assertions

{"cweId":"CWE-362","description":"CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","lang":"en-US","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-416","description":"CWE-416: Use After Free","lang":"en-US","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/problemTypes/0/descriptions/1

Affected products and versions

5 source assertions
{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 24H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26100.8875","status":"affected","version":"10.0.26100.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/2
{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 Version 25H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.26200.8875","status":"affected","version":"10.0.26200.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/3
{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 22H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19045.7548","status":"affected","version":"10.0.19045.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/1
{"platforms":["ARM64-based Systems","x64-based Systems"],"product":"Windows 11 version 26H1","vendor":"Microsoft","versions":[{"lessThan":"10.0.28000.2525","status":"affected","version":"10.0.28000.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/4
{"platforms":["32-bit Systems","ARM64-based Systems","x64-based Systems"],"product":"Windows 10 Version 21H2","vendor":"Microsoft","versions":[{"lessThan":"10.0.19044.7548","status":"affected","version":"10.0.19044.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

2 source assertions
{"cweId":"CWE-362","description":"CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-416","description":"CWE-416: Use After Free","lang":"en-US","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/problemTypes/0/descriptions/1

Source references

1 source assertion
{"name":"Windows Backup Service Elevation of Privilege Vulnerability","tags":["vendor-advisory","patch"],"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-58598"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f5ac8ecb7727aa11dfdbe929c760bbdcaa593cd00f82fd364a565cb376cfeb70 · sha256:584d6a9928821fb7… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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