A security feature bypass vulnerability exists when Microsoft Office does not validate URLs.An attacker could send a victim a specially craf
A security feature bypass vulnerability exists when Microsoft Office does not validate URLs.An attacker could send a victim a specially crafted file, which could trick the victim into entering credentials, aka 'Microsoft Office Security Feature Bypass Vulnerability'.
- Published
- Mar 5, 2019
- Updated
- Jun 16, 2026
- EPSS
- 12.8% · 96th percentile
- CWE
- CWE-601
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 4 / 30 · 12.8%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| microsoft | excel viewer | cpe:2.3:a:microsoft:excel_viewer |
| microsoft | office | cpe:2.3:a:microsoft:office |
| microsoft | office 365 proplus | cpe:2.3:a:microsoft:office_365_proplus |
| microsoft | powerpoint viewer | cpe:2.3:a:microsoft:powerpoint_viewer |
| microsoft | word viewer | cpe:2.3:a:microsoft:word_viewer |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- microsoft excel viewerall versions
- microsoft office2010
- microsoft office2013
- microsoft office2016
- microsoft office2019
- microsoft office 365 proplusall versions
- microsoft powerpoint viewerall versions
- microsoft word viewerall versions
Versions reported by the vendor
Affected version ranges reported by the assigning authority (microsoft). Independent of NVD's CPE analysis and usually ahead of it.
Microsoft Microsoft Excel Viewer
- unspecifiedaffected
Microsoft Microsoft Office
- 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2013 RT Service Pack 1, 2016 (32-bit edition), 2016 (64-bit edition), 2019 for 32-bit editions, 2019 for 64-bit editions, Word Vieweraffected
Microsoft Microsoft Office Compatibility Pack
- Service Pack 3affected
Microsoft Microsoft PowerPoint Viewer
- unspecifiedaffected
Microsoft Office 365 ProPlus
- 32-bit Systems, 64-bit Systemsaffected
Same product
microsoft: all recordsOther highest-scoring records for the same primary product.
- CVE-2013-3906GDI+ in Microsoft Windows Vista SP2 and Server 2008 SP2; Office 2003 SP3, 2007 SP3, and 2010 SP1 and SP2; Office Compatibility Pack SP3; andKEV86Now
- CVE-2015-2424Microsoft PowerPoint 2007 SP3, Word 2007 SP3, PowerPoint 2010 SP2, Word 2010 SP2, PowerPoint 2013 SP1, Word 2013 SP1, and PowerPoint 2013 RTKEV77This week
- CVE-2008-0113Unspecified vulnerability in Microsoft Office Excel Viewer 2003 up to SP3 allows user-assisted remote attackers to execute arbitrary code vi50Plan
- CVE-2018-8432A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphics37Monitor
- CVE-2018-8378An information disclosure vulnerability exists when Microsoft Office software reads out of bound memory due to an uninitialized variable, wh24Monitor
- CVE-2018-8427An information disclosure vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphi23Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
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Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- high · data or configuration can be modified
- Availability
- none
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- None
Weakness class (CWE)
CWE-601 · URL Redirection to Untrusted Site ('Open Redirect')CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
ATT&CK techniques
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Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.securityfocus.com/bid/106863
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0540
Vendor advisories and official records. Exploit/PoC links are deliberately left out.