MEDIUM
CVE-2026-45460
CWE-126Published: June 9, 2026· Updated: Jun 9, 2026
4.7
CVSS v3.1
EPSS:0.05%probability of exploitation in 30 daysPercentile:17.1th
Official Description
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to disclose information locally.
Technical Analysis
CVE-2026-45460 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 4.7.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Affected Vendors & Products
Mentioned vendors (from description):
Microsoft
CPE data not yet available in NVD for this CVE.
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
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GitHub PoC Search
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Rapid7 / Metasploit
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PacketStorm
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NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
All References (1)
Quick Facts
CVE IDCVE-2026-45460
CVSS Score4.7 / 10
SeverityMEDIUM
WeaknessCWE-126
CISA KEVNo
EPSS (30d)0.05%
PublishedJun 9, 2026
Related CVEs (CWE-126)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2026-45460 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.