CVE Intelligence
High Logic error

CVE-2026-58608 — Windows Print Spooler Remote Code Execution Vulnerability

Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Print Spooler Components allows an authorized attacker to execute code over a network.

Published Jul 14, 2026 · Updated Oct 15, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: microsoft

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.
How the score was calculated
  • Technical severity (high)+6

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation
Not confirmed
Not in CISA KEV — an absence of record, not proof it is unexploited.
EPSS FIRST
—
No EPSS score.
Affects
Microsoft
Windows 10 1607 and 24 more
CVSS base
7.5
High · 3 source(s)
Prioritization reference: 8.8 provisional

CISA SSVC assessment CISA

Three decision points CISA publishes for the CVEs it assesses (SSVC 2.0.3). A stakeholder decision, not a severity score.

Exploitation
None
none · proof-of-concept · active
Automatable
No
can an attacker script the kill-chain steps
Technical impact
Total
partial · total control of the vulnerable component

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

  1. Identify exposed assets running the affected vendor/product/version combinations (Microsoft Windows 10 1607, Microsoft Windows 10 1809, Microsoft Windows 10 21h2…).
  2. Apply the fixed version or the patch documented under Remediation.
  3. Search available logs for exploit probes matching the vulnerability class (logic error), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

VendorProductVersionsStatusSource
Microsoft Windows 10 1607 < 10.0.14393.9339 Vulnerable NIST National Vulnerability Database
Microsoft Windows 10 1809 < 10.0.17763.9020 Vulnerable NIST National Vulnerability Database
Microsoft Windows 10 21h2 < 10.0.19044.7548 Vulnerable NIST National Vulnerability Database
Microsoft Windows 10 22h2 < 10.0.19045.7548 Vulnerable NIST National Vulnerability Database
Microsoft Windows 10 Version 1607 ≥ 10.0.14393.0 and < 10.0.14393.9339 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows 10 Version 1809 ≥ 10.0.17763.0 and < 10.0.17763.9020 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows 10 Version 21H2 ≥ 10.0.19044.0 and < 10.0.19044.7548 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows 10 Version 22H2 ≥ 10.0.19045.0 and < 10.0.19045.7548 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows 11 24h2 < 10.0.26100.8875 Vulnerable NIST National Vulnerability Database
Microsoft Windows 11 25h2 < 10.0.26200.8875 Vulnerable NIST National Vulnerability Database
Microsoft Windows 11 26h1 < 10.0.28000.2525 Vulnerable NIST National Vulnerability Database
Microsoft Windows 11 Version 24H2 ≥ 10.0.26100.0 and < 10.0.26100.8875 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows 11 Version 25H2 ≥ 10.0.26200.0 and < 10.0.26200.8875 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows 11 version 26H1 ≥ 10.0.28000.0 and < 10.0.28000.2525 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2012 ≥ 6.2.9200.0 and < 6.2.9200.26226 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2012 version r2versions not specified by the source Vulnerable NIST National Vulnerability Database
Microsoft Windows Server 2012 (Server Core installation) ≥ 6.2.9200.0 and < 6.2.9200.26226 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2012 R2 ≥ 6.3.9600.0 and < 6.3.9600.23291 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2012 R2 (Server Core installation) ≥ 6.3.9600.0 and < 6.3.9600.23291 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2016 < 10.0.14393.9339 Vulnerable NIST National Vulnerability Database
Microsoft Windows Server 2016 ≥ 10.0.14393.0 and < 10.0.14393.9339 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2016 (Server Core installation) ≥ 10.0.14393.0 and < 10.0.14393.9339 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2019 < 10.0.17763.9020 Vulnerable NIST National Vulnerability Database
Microsoft Windows Server 2019 ≥ 10.0.17763.0 and < 10.0.17763.9020 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2019 (Server Core installation) ≥ 10.0.17763.0 and < 10.0.17763.9020 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2022 ≥ 10.0.20348.0 and < 10.0.20348.5386 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2022 < 10.0.20348.5386 Vulnerable NIST National Vulnerability Database
Microsoft Windows Server 2025 < 10.0.26100.33158 Vulnerable NIST National Vulnerability Database
Microsoft Windows Server 2025 ≥ 10.0.26100.0 and < 10.0.26100.33158 Vulnerable CVE Program (cve.org) e CISA ADP
Microsoft Windows Server 2025 (Server Core installation) ≥ 10.0.26100.0 and < 10.0.26100.33158 Vulnerable CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector
Network
Attack complexity
High
Privileges required
Low
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

ScoreVersionSeverityExpl.ImpactScored by
8.8 CVSS 3.1 High 2.8 5.9 secure@microsoft.com via NIST National Vulnerability Database
8.8 CVSS 3.1 High — — microsoft via CVE Program (cve.org) e CISA ADP
7.5 CVSS 3.1 High 1.6 5.9 nvd@nist.gov via NIST National Vulnerability Database
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H (score shown at the top: nvd@nist.gov)
Scoring entities (NIST, CNA, ADP) score independently; each score is shown with its origin. For prioritization we use 8.8 (secure@microsoft.com via NIST National Vulnerability Database) as a conservative provisional reference — not a definitive official score.

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-362 · Race Condition

Other CVEs with this weakness →

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

  • Prioritize edge telemetry for the network-reachable component (proxy, WAF, IDS/IPS).
web/proxy/WAF logsnetwork IDS/IPS

Timeline

What happened to this CVE, newest first.

  • 2026
  • Affected products added · microsoft/windows 10 version 1607, microsoft/windows 10 version 1809, microsoft/windows 10 version 21h2, microsoft/windo
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • SSVC assessment updated
    Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
  • Record published
    Oct 15, 2026
  • Fix documented
    Oct 15, 2026 · NIST National Vulnerability Database
  • CVSS changed · 7.5
    Oct 15, 2026 · NIST National Vulnerability Database
  • Source status changed · → Analyzed
    Oct 15, 2026 · NIST National Vulnerability Database
  • Record created in this database
    Oct 15, 2026 · NIST National Vulnerability Database
  • CVE published
    Jul 14, 2026 · microsoft

Source activity

Repeated readings are counted rather than listed.

  • 1× Official description updated · Oct 15, 2026 – Oct 15, 2026

References

1 on the record

Elsewhere on this site

Microsoft
every CVE for this vendor
Logic error
same class
CWE-362
other pages naming this weakness

Related CVEs (same products)

  • CVE-2026-97844 Role: DNS Server Information Disclosure Vulnerability 2d
  • CVE-2026-97842 Role: DNS Server Information Disclosure Vulnerability 2d
  • CVE-2026-97839 Role: DNS Server Information Disclosure Vulnerability 2d
  • CVE-2026-97840 Role: DNS Server Information Disclosure Vulnerability 2d
  • CVE-2026-97843 Role: DNS Server Information Disclosure Vulnerability 2d
  • CVE-2026-97841 Role: DNS Server Information Disclosure Vulnerability 2d

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

  • No FIRST EPSS score.
  • No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
  • No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
  • No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-58608 is "Windows Print Spooler Remote Code Execution Vulnerability", rated High. It affects Windows 10 1607 (Microsoft); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 7.5 describes technical severity. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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